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: Katie baked 18 cupcakes for her school 's bake sale . If her brother , Todd , ate 8 of them how many packages could she make if she put 2 cupcake in each package ?
Example Output: 5

Example Input: Each chocolate bar in a box cost $ 6 . If a box had 13 bars total and Zoe sold all but 6 bars , how much money would she have made ?
Example Output: 42

Example Input: A store had 50 oranges in a bin . If they threw away 40 of the old ones and put 24 new ones in the bin how many would be in the bin ?
Example Output:
34