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]: A new building needed 14 windows . The builder had already installed 5 of them . If it takes 4 hours to install each window , how long will it take him to install the rest ?
[EX A]: 36

[EX Q]: A waiter had 19 customers to wait on . If 14 customers left and he got another 36 customers , how many customers would he have ?
[EX A]: 41

[EX Q]: The cafeteria had 62 apples . For lunch they handed out 8 to students and decided to use the rest to make pies . If each pie takes 9 apples , how many pies could they make ?
[EX A]:
6