can some 1 please help

I am working on a work roster sheet and I need to work out how many people we need for the number of hours we have.

So say we had 1350 hours work and everyone works 35 hours I thought i could just div 1350 by 35 but it comes up with an answer of 1.41 !!!

Is my problem caused by me trying to div a number by a time value ?

Any help would be cool

Thanks