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

Input: Consider Input: Problem: danny and steve are running towards each other , each one from his own house . danny can reach steve ' s house in 25 minutes of running , which is half the time it takes steve to reach danny ' s house . if the two started to run at the same time , how much time longer will it take steve to reach the halfway point between their houses than danny to reach the halfway point between their houses ?

Output: 12.5 minutes .

Input: Consider Input: Problem: the average of first 22 natural numbers is ?

Output: 11.5

Input: Consider Input: Problem: there are 5 fictions and 6 non - fictions . how many cases are there such that 2 fictions and 2 non - fictions are selected from them ?
Output: 150