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: Chloe was playing a trivia game . In the first round she scored 40 points and in the second round she scored 50 points . In the last round she lost 4 points . How many points did she have at the end of the game ?
Example Output: 86

Example Input: At the arcade , Tom won 32 tickets playing ' whack a mole ' and 25 tickets playing ' skee ball ' . If he spent 7 of his tickets on a hat , how many tickets does Tom have left ?
Example Output: 50

Example Input: While shopping , Maria bought 35 green towels and 21 white towels . If she gave her mother 34 of them , how many towels did Maria end up with ?
Example Output:
22