You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Example Input: I have 80 cents to buy candy . If each gumdrop costs 4 cents , how many gumdrops can I buy ?
Example Output: 20

Example Input: Abe 's family moved from the Bahamas to Japan , so they had convert their money into Japanese yen . Their checking account now has 6359 yen and their savings account now has 3485 yen . How many yen do they have ?
Example Output: 9844

Example Input: Ruby has 63 apples . Emily takes 55 away . How many apples will Ruby have ?
Example Output:
8