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:
Jason joined his school's band. He bought a flute for $142.51, amusic tool for $8.89, and a song book for $7. How much did Jasonspend at the music store?
answer:
158.4


question:
Mary had 18 baseball cards, and 8 were torn. Fred gave Mary 26 newbaseball cards. Mary bought 40 baseball cards. How many baseballcards does Mary have now?
answer:
84.0


question:
Tom bought a skateboard for $9.46, and spent $9.54 on marbles.Tom also spent $14.50 on shorts. In total, how much did Tom spendon toys?
answer:

19.0