The task is to generate the correct answer for a given math problem.
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Question: Problem: which number can we add to 425897 to get a number exactly divisible by 456 ?

Answer: 7


Question: Problem: the sum of the even numbers between 1 and n is 89 * 90 , where n is an odd number , then n = ?

Answer: 179


Question: Problem: a train 250 m long is running with a speed of 68 kmph . in what time will it pass a man who is running at 8 kmph in the same direction in which the train is going ?

Answer:
15 sec .