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

Ex Input:
Kendall is learning to drive , so this weekend she practiced driving 0.16666666666666666 mile with her mother and another 0.5 mile with her father . How far did Kendall drive in all ?

Ex Output:
0.6666666666666666


Ex Input:
Sally paid $ 12.32 total for peaches , after a 3 dollar coupon , and $ 11.54 for cherries . In total , how much money did Sally spend ?

Ex Output:
23.86


Ex Input:
Michelle began her pizza delivery route with 0.5 tank of gas in her car . When she made it back to the pizzeria , 0.16666666666666666 tank of gas was . How much gas did Michelle use ?

Ex Output:

0.3333333333333333