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.

[Q]: Kendra made punch for her friend's birthday party. She used 0.25 gallon of grape juice, 0.35 gallon of cranberry juice, and 0.2 gallon of club soda. How many gallons of punch did Kendra make?
[A]: 0.8

[Q]: Joan picked 37 oranges and Sara picked 10 oranges. Alyssa picked 30pears. How many oranges were picked in total?
[A]: 47.0

[Q]: 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?
[A]:
3.5