You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.

Ex Input:
There were 3 roses in the vase. Alyssa cut some roses from herflower garden. There are now 14 roses in the vase. How many rosesdid she cut?

Ex Output:
11.0


Ex Input:
There are 2 maple trees and 5 popular trees currently in the park.Park workers will plant 9 maple trees today. How many maple treeswill the park have when the workers are finished?

Ex Output:
11.0


Ex Input:
A spaceship traveled 0.5 light-year from Earth to Planet X and 0.1light-year from Planet X to Planet Y. Then it traveled 0.1 light-yearfrom Planet Y back to Earth. How many light-years did the spaceshiptravel in all?

Ex Output:

0.7