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.

[Q]: Jack has a section filled with short story booklets . If each booklet has 9 pages and there are 49 booklets in the short story section , how many pages will Jack need to go through if he plans to read them all ?
[A]: 441


[Q]: Each chocolate bar in a box cost $ 4 . If a box had 8 bars total and Emily sold all but 3 bars , how much money would she have made ?
[A]: 20


[Q]: Isabel baked 3 brownies , but needed 5 total for her party . If she used 5 cups of flour on each one , how much cups of flour does she still need ?
[A]:
10