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: Bianca 's team won their dodgeball game and scored 75 points total . If Bianca scored 45 of the points and everyone else scored 6 points each , how many players were on her team ?
Example Output: 5

Example Input: Find the product of -2 , -15 , 4 and -1 .
Example Output: -120

Example Input: Keith spent $ 136.01 on speakers , $ 139.38 on a CD player , and $ 112.46 on new tires . He wanted 3 CD 's for $ 6.16 , but did n't buy them . In total , how much did he spend ?
Example Output:
387.85