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:
Megan picked 19 carrots from her garden . If she threw out 4 of them and then picked 46 more the next day , how many carrots would she have total ?

Ex Output:
61


Ex Input:
The school cafeteria ordered 37 red apples and 45 green apples for students lunches . But , if only 51 students wanted fruit , how many extra did the cafeteria end up with ?

Ex Output:
31


Ex Input:
Will was organizing his baseball cards in a binder with 3 on each page . If he had 8 new cards and 10 old cards to put in the binder , how many pages would he use ?

Ex Output:

6