The task is to generate the correct answer for a given math problem.

Ex Input:
Problem: in one alloy there is 12 % chromium while in another alloy it is 8 % . 35 kg of the first alloy was melted together with 40 kg of the second one to form a third alloy . find the percentage of chromium in the new alloy .

Ex Output:
9.75 %


Ex Input:
Problem: if s and t are both odd prime numbers ands < t , then how many different positive integer factors does 2 sthave ?

Ex Output:
8


Ex Input:
Problem: a cube of side 5 meter length is cut into small cubes of side 25 cm each . how many such small cubes can be obtained ?

Ex Output:

8000