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.

[Q]: The school cafeteria had 12 apples . If they used 8 to make lunch for the students and then bought 19 more , how many apples would they have ?
[A]: 23


[Q]: Isabel had 2 pages of math homework and 4 pages of reading homework . If each page had 5 problems on it , how many problems did she have to complete total ?
[A]: 30


[Q]: A worksheet had 2 problems on it . If a teacher had 14 worksheets to grade and had already graded 7 of them , how many more problems does she have to grade ?
[A]:
14