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]: Rachel bought 7 new chairs and 3 new tables for her house . If she spent 4 minutes on each piece furniture putting it together , how many minutes did it take her to finish ?
[EX A]: 40

[EX Q]: Jeremy strolled 20 kilometers at 2 kilometers per hour . How long did Jeremy stroll ?
[EX A]: 10

[EX Q]: Chloe baked 7 brownies , but needed 16 total for her party . If she used 6 cups of flour on each one , how much cups of flour does she still need ?
[EX A]:
54