The task is to generate the correct answer for a given math problem.
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Question: Problem: gopi gives rs . 90 plus one turban as salary to his servant for one year . the servant leaves after 9 months and receives rs . 60 and the turban . find the price of the turban .

Answer: 30


Question: Problem: how much interest will $ 8,000 earn in 9 months at an annual rate of 6 % ?

Answer: $ 360


Question: Problem: calculate the effect changes in dimension of a rectangle will have on its area , if length is increased by 40 % and its breadth is decreased by 25 % ?

Answer:
5 % increase