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.

Example Input: Darnel sprinted 0.87 lap and then took a break by jogging 0.77 lap.How much farther did Darnel sprint than jog?
Example Output: 0.1

Example Input: There are 115 pencils in the drawer. Sara placed 100 pencils in thedrawer. How many pencils are now there in all?
Example Output: 215.0

Example Input: While making desserts for a bake sale, Victor used 0.625 scoop ofbrown sugar as well as 0.225 scoop of white sugar. How much morebrown sugar did Victor use?
Example Output:
0.4