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

Ex Input:
Problem: a large box contains 20 small boxes and each small box contains 32 chocolate bars . how many chocolate bars are in the large box ?

Ex Output:
e ) 64


Ex Input:
Problem: if z is a multiple of 8778 , what is the remainder when z ^ 2 is divided by 9 ?

Ex Output:
0


Ex Input:
Problem: how many numbers between 400 and 1000 can be made with the digits 2 , 3,4 , 5,6 and 0 ?

Ex Output:

60