The task is to generate the correct answer for a given math problem.
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Question: Problem: pipe a can fill a tank in 6 hours . due to a leak at the bottom , it takes 10 hours for the pipe a to fill the tank . in what time can the leak alone empty the full tank ?

Answer: 15


Question: Problem: in x game of billiards , x can give y 20 points in 60 and he can give z 30 points in 60 . how many points can y give z in x game of 120 ?

Answer: 30


Question: Problem: what is the sum of the greatest common factor and the lowest common multiple of 12 and 48 ?

Answer:
60