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: The first act included 5 clown mobiles , each stuffed with 28 clowns . How many clowns are inside all the clown mobiles combined ?
Example Output: 140

Example Input: While shopping for music online , Isabel bought 6 country albums and 2 pop albums . Each album came with a lyric sheet and had 9 songs . How many songs did Isabel buy total ?
Example Output: 72

Example Input: Rachel bought 7 new chairs and 3 new tables for her house . If she spent 4 minutes on each piece furniture putting it together , how many minutes did it take her to finish ?
Example Output:
40