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: Tom found 15 seashells and Fred found 43 seashells on the beach.When they cleaned them, they discovered that 29 were cracked.How many seashells did they find together?

Output: 58.0


Input: Consider Input: Mary went to the mall. She spent $13.03 on a shirt and $12.27 on a jacket. She went to 2 shops. In total, how much money did Mary spend on clothing?

Output: 25.3


Input: Consider Input: Jessica spent $10.2 on a cat toy, and a cage cost her $11.7. What was the total cost of Jessica's purchases?


Output: 21.9