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 325 % in length , find the percentage change in its area ?

Answer: 956.25 %

Question: Problem: the area of a circular field is 17.56 hectares . find the cost of fencing it at the rate of rs . 7 per metre approximately

Answer: 10400

Question: Problem: the age of somu is one - third his father ' s . 8 years back he was one - fifth of his father ' s age . what is his persent age ?

Answer:
16