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: Each chocolate bar in a box cost $ 3 . If a box had 9 bars total and Wendy sold all but 3 bars , how much money would she have made ?
Example Output: 18

Example Input: Robin had 30 songs on her mp3 player . If she deleted 8 old songs from it and then added 10 new songs , how many songs does she have on her mp3 player ?
Example Output: 32

Example Input: Sally had 27 Pokemon cards . Dan gave her 41 new Pokemon cards . Sally bought 20 Pokemon cards . How many Pokemon cards does Sally have now ?
Example Output:
88