The task is to generate the correct answer for a given math problem.
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Question: Problem: if each side of a square is increased by 20 % , find the percentage change in its area ?

Answer: 44 %


Question: Problem: a train passes a station platform in 30 sec and a man standing on the platform in 20 sec . if the speed of the train is 54 km / hr . what is the length of the platform ?

Answer: 60 


Question: Problem: two trains , a and b , started simultaneously from opposite ends of a 125 - mile route and traveled toward each other on parallel tracks . train a , traveling at a constant rate , completed the 125 - mile trip in 12 hours ; train b , traveling at a constant rate , completed the 125 - mile trip in 8 hours . how many miles had train a traveled when it met train b ?

Answer:
5