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

Input: Consider Input: Problem: the distance between a & b is 1540 km . a person is traveling from a to b at 100 km / hr started at 6 am and another person is traveling from b to a at 120 km / hr and started at same time . then at what time they meet together .

Output: 1 pm


Input: Consider Input: Problem: a man , a woman and a boy can together complete a piece of work in 3 days . if a woman alone can do it in 6 days and a boy alone in 18 days , how long will a man take to complete the work ?

Output: 9 days


Input: Consider Input: Problem: how many zeros does 65 ! end with ?


Output: 15