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

Input: Consider 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 ?

Output: 199 / 250


Input: Consider Input: Problem: in how many no . between 10 and 30 exactly two of the digits is 2 ?

Output: 1


Input: Consider Input: Problem: if x + y = 3 and y / x = 2 then y = ?


Output: