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

Input: Consider Input: Problem: a theater box office sold an average ( arithmetic mean ) of 65 tickets per staff member to a particular movie . among the daytime staff , the average number sold per member was 75 , and among the evening staff , the average number sold was 60 . if there are no other employees , what was the ratio of the number of daytime staff members to the number of evening staff members ?

Output: 1 : 2


Input: Consider Input: Problem: if p / q = 3 / 11 , then 2 p + q = ?

Output: 17


Input: Consider Input: Problem: a number x is 5 times another number y . the percentage that y is less than x is


Output: 80 %