instruction:
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.
question:
Fred found 47 seashells on the beach, he gave Jessica 25 of theseashells. How many seashells does he now have?
answer:
22.0


question:
Mary picked 122 oranges and Jason picked 105 oranges from theorange tree. How many oranges were picked in total?
answer:
227.0


question:
Dan has 64 violet marbles, he gave Mary 14 of the marbles. Howmany violet marbles does he now have?
answer:

50.0