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: Jason grew 37 watermelons and 30 pumpkins. Sandy grew 11watermelons. How many watermelons did they grow in total?

Output: 48.0


Input: Consider Input: Jenny ran 0.6 mile and walked 0.4 mile. How much farther did Jennyrun than walk?

Output: 0.2


Input: Consider Input: The Silvergrove Public Library used a grant to purchase 2647 books.Now the library has a total of 8582 books. How many books did thelibrary have before the grant?


Output: 5935.0