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]: Dan joined his school's band. He bought a clarinet for $130.30, and a song book which was $11.2. Dan found $12.32 in his pocket.How much did Dan spend at the music store?
[A]: 141.5


[Q]: Sally picked 7 lemons and Mary picked 9 lemons from the lemon tree. How many lemons were picked in total?
[A]: 16.0


[Q]: A restaurant served 4 pies during lunch and 9 during dinner today.The restaurant served 7 pies and 2 pizzas yesterday. How many pieswere served in total?
[A]:
20.0