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: Megan baked 71 cupcakes for her school 's bake sale . If her brother , Todd , ate 43 of them how many packages could she make if she put 7 cupcake in each package ?
Example Output: 4

Example Input: Sam had 10 socks . If he threw away 3 old ones that did n't fit and bought 36 new ones , how many socks would he have ?
Example Output: 43

Example Input: Paco 's Countertop Company purchased pieces of marble from a quarry . The weights of the pieces they purchased were 0.3333333333333333 ton , 0.3333333333333333 ton , and 0.08333333333333333 ton . How many tons of marble did Paco 's Countertop Company purchase in all ?
Example Output:
0.75