Instructions: 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: Jason grew 32 watermelons and 22 cantelopes. Dan grew 31watermelons. How many watermelons did they grow in total?
Output:
63.0