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:
Paul had saved up 3 dollars . If he received another 7 dollars for his allowance , how many 5 dollar toys could he buy ?

Ex Output:
2


Ex Input:
The cafeteria had 62 apples . For lunch they handed out 8 to students and decided to use the rest to make pies . If each pie takes 9 apples , how many pies could they make ?

Ex Output:
6


Ex Input:
Edward bought 79 tickets at the state fair . He spent 23 tickets at the ' dunk a clown ' booth and decided to use the rest on rides . If each ride cost 7 tickets , how many rides could he go on ?

Ex Output:

8