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 Input:
John made 6 dollars mowing lawns and 18 dollars weed eating . If he only spent 3 dollar a week , how long would the money last him ?

Ex Output:
8

Ex Input:
Haley baked 20 cupcakes for her school 's bake sale . If her brother , Todd , ate 11 of them how many packages could she make if she put 3 cupcake in each package ?

Ex Output:
3

Ex Input:
There were 17 girls and 32 boys trying out for the schools basketball team . If only 10 of them got called back , how many students did n't make the cut ?

Ex Output:
39