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

Ex Input:
Problem: a gambler has won 40 % of his 40 poker games for the week so far . if , all of a sudden , his luck changes and he begins winning 70 % of the time , how many more games must he play to end up winning 60 % of all his games for the week ?

Ex Output:
80


Ex Input:
Problem: the difference between the place values of two nines in the numerical 62039295 is

Ex Output:
8910


Ex Input:
Problem: when two dice are rolled , what is the probability that the sum of the two numbers is 6 ?

Ex Output:

5 / 36