TASK 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.
PROBLEM: Fred has 709 green balloons, he gave Sandy 221 of the balloons.How many green balloons does he now have?

SOLUTION: 488.0

PROBLEM: Last week Fred had 23 dollars and Jason had 46 dollars. Fred washedcars over the weekend and now has 86 dollars. How much money didFred make washing cars?

SOLUTION: 63.0

PROBLEM: Sara had 21 quarters in her bank. Her dad gave her 49 quarters. Howmany quarters does she have now?

SOLUTION:
70.0