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]: After eating at the restaurant , Sally , Sam , and Alyssa decided to divide the bill evenly . If each person paid 45 dollars , what was the total of the bill ?
[A]: 135


[Q]: A new building needed 12 windows . The builder had already installed 6 of them . If it takes 4 hours to install each window , how long will it take him to install the rest ?
[A]: 24


[Q]: Each chocolate bar in a box cost $ 4 . If a box had 11 bars total and Vanessa sold all but 7 bars , how much money would she have made ?
[A]:
16