You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: For Halloween Emily received 5 pieces of candy from neighbors and 13 pieces from her older sister . If she only ate 9 pieces a day , how long would the candy last her ?
Example Output: 2

Example Input: Edward started his own lawn mowing business . In the spring he made 2 dollars mowing lawns and in the summer he made 27 dollars . If he had to spend 5 dollars buying supplies , how much money did he end up with ?
Example Output: 24

Example Input: Benny 's high school played 39 baseball games this year . He attended 14 games . How many baseball games did Benny miss ?
Example Output:
25