The task is to generate the correct answer for a given math problem.

Q: Problem: every year an amount increases by 1 / 8 th of itself . how much will it be after two years if its present value is rs . 70400 ?

A: 89100
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Q: Problem: find the area of trapezium whose parallel sides are 20 cm and 18 cm long , and the distance between them is 20 cm ?

A: 380 cm 2
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Q: Problem: a movie buff buys movies on dvd and on blu - ray in a ratio of 13 : 4 . if she returns 2 blu - ray movies , that ratio would change to 7 : 2 . if she buys movies on no other medium , what was the original number of movies purchased ?

A:
11
****