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: After paying 6 dollars for the pie, Mary has 52 dollars, her friend has43 dollars. How much money did she have before buying the pie?

Output: 58.0


Input: Consider Input: There is 0.2 cup of oil in Scarlett's measuring cup. If Scarlett adds 0.3 cup more, how much oil will be in the measuring cup?

Output: 0.5


Input: Consider Input: Kelly's chemistry textbook weighs 7.125 pounds and her geometrytextbook weighs 0.625 pound. How much more does the chemistrytextbook weigh than the geometry textbook?


Output: 6.5