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.

Input: Consider Input: Craig walked 0.2 mile from school to David's house and 0.7 mile fromDavid's house to his own house. How many miles did Craig walk in all?

Output: 0.9

Input: Consider Input: There are 9 crayons in the drawer. Benny placed 3 crayons in thedrawer. How many crayons are now there in total?

Output: 12.0

Input: Consider Input: Kendra made punch for her friend's birthday party. She used 0.25 gallon of grape juice, 0.35 gallon of cranberry juice, and 0.2 gallon of club soda. How many gallons of punch did Kendra make?
Output: 0.8