Definition: 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: Joan found 75 seashells and 14 starfishes on the beach. She gave Timsome of her seashells. She has 62 seashell. How many seashells didshe give to Tim?

13.0