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.

Input: Consider Input: Find the product of -2 , -15 , 4 and -1 .

Output: -120

Input: Consider Input: Maria bought 2 new chairs and 2 new tables for her house . If she spent 8 minutes on each piece furniture putting it together , how many minutes did it take her to finish ?

Output: 32

Input: Consider Input: The value of a sport utility vehicle this year is 16000 dollars , which is 0.8 of what its value was last year . How much is the value of the vehicle last year ?
Output: 20000