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: Dan had 97 baseball cards, and 8 were torn. Sam bought 15 of Dan'sbaseball cards. How many baseball cards does Dan have now?
Example Output: 82.0

Example Input: There are 9 crayons in the drawer. Benny placed 3 crayons in thedrawer. How many crayons are now there in total?
Example Output: 12.0

Example Input: Jason found 49 seashells and 48 starfish on the beach. He gave 13 ofthe seashells to Tim. How many seashells does Jason now have?
Example Output:
36.0