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

Example Input: Tim had 7 quarters and 9 nickels in his bank . His dad gave him 3 nickels and 5 pennies . How many nickels does Tim have now ?
Example Output: 12

Example Input: A candy store has 6 boxes of chocolates . Each box has 500 pieces . How many pieces are there altogether in the boxes ?
Example Output: 3000

Example Input: Benny received 79 dollars and 9 movie tickets for his birthday . He went to a sporting goods store and bought a baseball glove , baseball , and bat . He had 32 dollars over , how much did he spent on the baseball gear ?
Example Output:
47