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

Ex Input:
Problem: 10 ^ ( 600 ) ã · 10 ^ ( 580 ) = ?

Ex Output:
10 ^ 20


Ex Input:
Problem: the sum of ages of 5 children born at the intervals of 3 years each is 55 years . what is the age of the youngest child ?

Ex Output:
5 years


Ex Input:
Problem: dan can do a job alone in 12 hours . annie , working alone , can do the same job in just 9 hours . if dan works alone for 8 hours and then stops , how many hours will it take annie , working alone , to complete the job ?

Ex Output:

3