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

[EX Q]: Zoe baked 5 brownies , but needed 11 total for her party . If she used 7 cups of flour on each one , how much cups of flour does she still need ?
[EX A]: 42

[EX Q]: A pet store had 18 puppies . In one day they sold 3 of them and put the rest into cages with 5 in each cage . How many cages did they use ?
[EX A]: 3

[EX Q]: For Halloween Sarah received 66 pieces of candy from neighbors and 15 pieces from her older sister . If she only ate 9 pieces a day , how long would the candy last her ?
[EX A]:
9