The Formula to Multiply Decimal in Excel

Hello.. anyone who can help me, please.
I want multiply the number that contains decimal, like this :
12.26, and here I want multiply 12 with 1000, and then 26 multiply with 50

12.26

==> 12 x 1000 = 12000
==> 26 x 50 = 1300
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so, the result is : 13300
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Thank's b 4