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: Frank was collecting cans for recycling . On Saturday he filled 5 bags up and on Sunday he filled 3 more bags . If each bag had 5 cans in it , how many cans did he pick up total ?
Example Output: 40

Example Input: Isabel baked 39 cupcakes for her school 's bake sale . If her brother , Todd , ate 21 of them how many packages could she make if she put 3 cupcake in each package ?
Example Output: 6

Example Input: April 's discount flowers was having a sale where each rose was 4 dollars . If April started with 13 roses and had 4 roses left , how much money did she earn ?
Example Output:
36