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.

Ex Input:
diane wants to buy a package of cookies . the cookies cost 65 cents . diane has 27 cents . how much more money does she need ?

Ex Output:
38

Ex Input:
having this kind of collection made jack a fast reader . if he can read 9 books in a day how many books can he read in a year ( a year = 365 days ) ?

Ex Output:
3285

Ex Input:
there were 8 ducks swimming in the pond . 3 ducks flew away . how many ducks are still swimming in the pond ?

Ex Output:
5