You are given a math word problem and you are supposed to apply a single mathematical operator 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:
kim wants to buy a new watch that costs $ 87.60 . how much change does she receive if she gives the cashier $ 100 ?

Ex Output:
12.4

Ex Input:
if lewis earns $ 1367 every week during the 5 weeks of harvest . how much money does he earn during harvest season ?

Ex Output:
6835

Ex Input:
gino has 63 popsicle sticks . i have 50 popsicle sticks . what is the sum of our popsicle sticks ?

Ex Output:
113