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: Lewis then went to see the oranges being harvested . Lewis found out that they harvest 83 sacks per day . How many sacks of oranges will they have after 6 days of harvest ?
Example Output: 498

Example Input: There were a total of 323 football games in the season . The season is played for 17 months . How many football games were played each month , if each month has the same number of games ?
Example Output: 19

Example Input: Your class is having a pizza party . You buy 5 pizzas . Each pizza has 4 slices . How many slices is that altogether ?
Example Output:
20