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

Problem: a hiker walking at a constant rate of 4 kilometers per hour is passed by a cyclist travelling in the same direction along the same path at a constant rate of 30 kilometers per hour . the cyclist stops and waits for the hiker 5 minutes after passing her while the hiker continues to walk at her constant rate . how many minutes must the cyclist wait until the hiker catches up ?
32.

Problem: what is the sum of the multiples of 4 between 63 and 151 inclusive ?
233

Problem: the sum of two number is 25 and their difference is 13 . find their product .

114