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 $ 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: There are 46 children in the classroom , each student will get 4 dozen pencils . How many pencils will the teacher have to give out ?
Example Output: 2208

Example Input: Paul was collecting cans for recycling . On Saturday he filled 6 bags up and on Sunday he filled 3 more bags . If each bag had 8 cans in it , how many cans did he pick up total ?
Example Output:
72