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 his car , Mike spent $ 118.54 on speakers and $ 106.33 on new tires . Mike wanted 3 CD 's for $ 4.58 but decided not to . In total , how much did Mike spend on car parts ?
Example Output: 224.87

Example Input: John had 33 socks . If he threw away 19 old ones that did n't fit and bought 13 new ones , how many socks would he have ?
Example Output: 27

Example Input: Recently , the value of Kate 's retirement fund decreased by $ 12 . If her fund was worth $ 1472 before , how much is it worth now ?
Example Output:
1460