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]: Melanie had 30 baseball cards, and 9 were torn. Sara bought 18 ofMelanie's baseball cards. How many baseball cards does Melaniehave now?
[A]: 12.0


[Q]: There were a total of 8 football games this year, 4 are played at night. Keith missed 4 of the games. How many football games did Keith goto in total?
[A]: 4.0


[Q]: There were 32 bales of hay in the barn and 26 bales in the shed.Jason stacked bales in the barn today. There are now 98 bales of hayin the barn. How many bales did he store in the barn?
[A]:
66.0