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]: Sara picked 45 pears and Sally picked 11 pears from the pear tree.How many pears were picked in total?
[EX A]: 56.0

[EX Q]: Terrell hiked 8.2 miles on Saturday. Then, on Sunday, he hikedanother 1.6 miles. How far did Terrell hike all together?
[EX A]: 9.8

[EX Q]: Joan has 8 orange balloons but lost 2 of them. How many orangeballoons does Joan have now?
[EX A]:
6.0