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: Sandy has 10 books, Benny has 24 books, and Tim has 33 books.How many books do they have together?
Example Output: 67.0

Example Input: Scarlett made a fruit salad with 0.225 pound of melon and 0.375 poundof berries. How many pounds of fruit did Scarlett use in all?
Example Output: 0.6

Example Input: Alyssa picked 42 pears and Nancy picked 17 pears from the pear tree.How many pears were picked in all?
Example Output:
59.0