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.

[EX Q]: A construction company bought 5.91 tons of gravel and 8.19 tons ofsand. How many tons of material did the company buy in all?
[EX A]: 14.1

[EX Q]: Sally grew 113 turnips and 118 pumpkins. Mary grew 129 turnips.How many turnips did they grow in total?
[EX A]: 242.0

[EX Q]: Joan's high school played 864 baseball games this year, 128 of thegames were played at night. She attended 395 games. How manybaseball games did Joan miss?
[EX A]:
469.0