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

Input: Consider Input: Problem: the volume of water inside a swimming pool doubles every hour . if the pool is filled to its full capacity within 8 hours , in how many hours was it filled to one quarter of its capacity ?

Output: 6', 'e ) 7'


Input: Consider Input: Problem: what is the total number of integers between 10 and 50 that are divisible by 2 ?

Output: 19


Input: Consider Input: Problem: there are , in a certain league , 20 teams , and each team face another team for a total of 10 times . how many games are played in the season ?


Output: 1900