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: Alec and his roommates ate 3.25 pints of ice cream on Friday nightand 0.25 pint of ice cream on Saturday night. How many pints didthey eat in all?

3.5