You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[EX Q]: It took Katherine 3 hours to run to Louis 's house at 8 miles per hour . How far is it between Katherine 's house and Louis 's house ?
[EX A]: 24

[EX Q]: Michael has 16 blocks stored in boxes . If there are 8 boxes , how many blocks must go in each box ?
[EX A]: 2

[EX Q]: Kyle bought a boat for 4500 dollars . 5 years later he sold it for 3600 dollars . What percent of the purchase price did Kyle lose ?
[EX A]:
20