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

Ex Input:
Problem: a grocer is storing soap boxes in cartons that measure 25 inches by 42 inches by 60 inches . if the measurement of each soap box is 7 inches by 6 inches by 10 inches , then what is the maximum number of soap boxes that can be placed in each carton ?

Ex Output:
150


Ex Input:
Problem: a and b can do a piece of work in 7 days . with the help of c they finish the work in 5 days . c alone can do that piece of work in ?

Ex Output:
30 days


Ex Input:
Problem: 0.002 x 0.4 = ?

Ex Output:

0.000