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

Input: Consider Input: Problem: a contractor undertook to do a piece of work in 18 days . he employed certain number of laboures but 9 of them were absent from the very first day and the rest could finish the work in only 6 days . find the number of men originally employed ?

Output: 4.5


Input: Consider Input: Problem: a number is said to be prime saturated if the product of all the different positive prime factors of z is less than the square root of z . what is the greatest two digit prime saturated integer ?

Output: 96


Input: Consider Input: Problem: the average age of a , b and c is 26 years . if the average age of a and c is 29 years , what is the age of b in years ?


Output: 20