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]: Sara picked 6 pears and Tim picked 5 pears from the pear tree. Howmany pears were picked in total?
[A]: 11.0


[Q]: Dan had 7 potatoes and 4 cantelopes in the garden. The rabbits ate 4of the potatoes. How many potatoes does Dan now have?
[A]: 3.0


[Q]: A treasure hunter discovered a buried treasure chest filled with atotal of 5155 gems. 45 of the gems were diamonds, and the restwere rubies. How many of the gems were rubies?
[A]:
5110.0