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

Ex Input:
Problem: in a garment industry , 12 men working 9 hours per day complete a piece of work in 10 days . to complete the same work in 12 days , working 15 hours a day , the number of men required is :

Ex Output:
7


Ex Input:
Problem: if each side of a square is increased by 325 % in length , find the percentage change in its area ?

Ex Output:
956.25 %


Ex Input:
Problem: in a company with 48 employees , some part - time and some full - time , exactly ( 1 / 3 ) of the part - time employees and ( 1 / 4 ) of the full - time employees take the subway to work . what is the greatest possible number h of employees who take the subway to work ?

Ex Output:

15