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

Ex Input:
What is 80 % of 40 ?

Ex Output:
32

Ex Input:
A restaurant served 5 cakes during lunch and 6 during dinner today . The restaurant served 3 cakes yesterday . How many cakes were served in total ?

Ex Output:
14

Ex Input:
Jerry had 7 action figures , but needed 16 total for a complete collection . If each one costs $ 8 , how much money would he need to finish his collection ?

Ex Output:
72