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

Example Input: At the town carnival Oliver rode the ferris wheel 7 times and the bumper cars 3 times . If each ride cost 3 tickets , how many tickets did he use ?
Example Output: 30

Example Input: Each cup contains 8 ounces . How many ounces are in 33 cups ?
Example Output: 264

Example Input: A chef needs to cook 16 potatoes . He has already cooked 7 . If each potato takes 5 minutes to cook , how long will it take him to cook the rest ?
Example Output:
45