Count a reoccurring number divisible by 70 over 24 months.

I have made 24 sheets that track an increase in units developed from one month to the next and total on a summary sheet outlining the 24 months. At a point when any particular month reaches a total of 70 it needs to add 1 to another cell and that cell is then referenced to the summary sheet. This count continues to increase and over the 24 months can reach several multiples of 70. (140,210,280,350, etc)
For example month one may have 5, month two has 48 and month 3 has 73, at this point a 1 (rounded down) would show as because 73/70 =(1)
In month 4 it might be 210, I would want this to display (2) as 210/70 = 3 minus previous month 3 total of (1), and so on up to the 24 month point.

I trust I have given enough info or explained it properly. As I am sure you have guessed I am not very good with excel but know that basically is possible with it!

Thank you for your help!

Regards,

Warren

I've posted my spreadsheet (condensed version) the cells in question are h37 on month one and h38 on month 2 referencing b67 & 68
transferring data to the summary sheet line 17, each month needs to total the divisible number by 70 and then remove the difference from the number established the month before so no duplication of the findings is added to the total for any given month.

FYI sorry,i forgot to include that the final reference i C67, this then is picked up by the summary page for the entry on that page.

seems like i need 5 posts before I can ask anyone for help so here is number 4 - thank you!

seems like i need 5 posts before I can ask anyone for help so here is number 5 - thank you!

O.K. everyone, Sorry for my ignorance about excel but I will try to explain my needs more clearly. Also an offer goes out to anyone who would want to use join.me to walk through what I want.
I have created a 24 month series of sheets each one pulling numbers from one month to the next to project profitability etc. The initial information is pulled from the bizinfo sheet. This is used by the user to input some basic numbers and then the calculations are handled automatically. I feel i have all of that down pat. Then all of this is referenced onto the summary sheet.

On month one H37 and then on all subsequent months H38 is used to create a running total of the number of units that are generated over time.
I created a formula in cell B67 to try to capture the number of units being generated over time but found that as soon as the inputs on the bizinfo sheet changes it changes the results in a manner that can't be predicted, therefore my formula in B67 would not always catch the unit cycling.
Initially I need a formula in B67 that will look for key numbers beginning with 70 and when it does it creates a (1) in cell C67 If for example a number shows up in any given month that is equal to 73 then the remaining 3 would be carried over to accumulate until the number 210 shows up then (2), the next target is 490 would display (4), the next is 840 would display (8), the next 1680 would display (16), the next is 3360, would display (32), the next is 6720, would display (64), next key 13,540 would display (128) The key here is that any amount over the specified numbers would be carried over to the next month(s) to accumulate until the next key number is attained.

Thank you again for your patience and understanding.

Regards,

Warren