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.

Example Input: At the town carnival Oliver rode the ferris wheel 5 times and the bumper cars 4 times . If each ride cost 7 tickets , how many tickets did he use ?
Example Output: 63

Example Input: Ned was trying to expand his game collection . He bought 11 games from a friend and bought 22 more at a garage sale . If 19 of the games did n't work , how many good games did he end up with ?
Example Output: 14

Example Input: The school cafeteria ordered 43 red apples and 32 green apples for students lunches . But , if only 2 students wanted fruit , how many extra did the cafeteria end up with ?
Example Output:
73