The task is to generate the correct answer for a given math problem.
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Question: Problem: the average of first six prime numbers greater than 20 is ?

Answer: 3


Question: Problem: by selling an article for $ 195 , a person gains $ 45 . what is the gain % ?

Answer: 30 %


Question: Problem: you enter a weight loss challenge game and manage to lose 13 % of your body weight . for the final weigh in you are forced to wear clothes that add 2 % to your weight . what percentage of weight loss is measured at the final weigh in ?

Answer:
11.26 %