The task is to generate the correct answer for a given math problem.
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Question: Problem: a large box contains 20 small boxes and each small box contains 32 chocolate bars . how many chocolate bars are in the large box ?

Answer: e ) 64

Question: Problem: a solution contains 8 parts of water for every 7 parts of lemonade syrup . how many parts of the solution should be removed and replaced with water so that the solution will now contain 25 % lemonade syrup ?

Answer: 2.14

Question: Problem: the area of a square field is 625 km 2 . how long will it take for a horse to run around at the speed of 25 km / h ?

Answer:
4 h