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

Input: Consider Input: Problem: of the diplomats who attended a summit conference : 20 spoke japanese , 32 did not speak russian and 20 % of the diplomats spoke neither japanese nor russian . if 10 % of the diplomats spoke both japanese and russian , then how many diplomats attended the conference ?

Output: 120


Input: Consider Input: Problem: when positive integer n is divided by positive integer p , the quotient is 18 , with a remainder of 7 . when n is divided by ( p + 3 ) , the quotient is 15 and the remainder is 1 . what is the value of n ?

Output: 20


Input: Consider Input: Problem: find the mean proportional between 64 & 81 ?


Output: d ) 72