You will be given a definition of a task first, then some input of the task.
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.

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 ?
Output:
36