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

Ex Input:
Problem: 90 % of the population of a village is 36000 . the total population of the village is ?

Ex Output:
4000


Ex Input:
Problem: in a village of 2,500 people , 800 people are over 70 years old and 850 people are female . it is known that 40 percent of the females are younger than 70 years old . if no one in the village is 70 years old , what is the probability that a person chosen at random is either a male or younger than 70 years old ?

Ex Output:
199 / 250


Ex Input:
Problem: how many distinct integer values of n satisfy the inequality | | n - 3 | + 4 | ≤ 11 ?

Ex Output:

8