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: Mrs. Hilt ate 5 apples every hour . How many apples had she eaten at the end of 3 hours ?
Example Output: 15

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: Omar and Karen made egg rolls to share at the school potluck . Omar rolled 219 egg rolls . Karen rolled 229 egg rolls . What is the total number of egg rolls Omar and Karen rolled ?
Example Output:
448