You are given a math word problem and you are supposed to apply a single mathematical operator 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 smart mart sells educational toys . they sold 45 science kits last week . the sold 9 fewer puzzles than science kits . how many puzzles did the smart mart sell ?
[A]: 36

[Q]: annie also planned the time she would spend going around the 9 blocks in her village . if she plans on spending just 8 minutes on each block how much time would it take for her to finish trick or treating ?
[A]: 72

[Q]: lex read another book with 240 pages . if he read the same number of pages for 12 days how many pages did he read every day ?
[A]:
20