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.

[EX Q]: Dan had 97 baseball cards, and 8 were torn. Sam bought 15 of Dan'sbaseball cards. How many baseball cards does Dan have now?
[EX A]: 82.0

[EX Q]: A carpenter bought a piece of wood that was 0.43 meters long. Thenshe sawed 0.33 meters off the end. How long is the piece of woodnow?
[EX A]: 0.1

[EX Q]: Mary found 45 seashells, Melanie found 23 seashells, and Jasonfound 32 seashells on the beach. When they cleaned them, theydiscovered that 31 were cracked. How many seashells did they findtogether?
[EX A]:
100.0