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


question:
There is 0.2 cup of oil in Scarlett's measuring cup. If Scarlett adds 0.3 cup more, how much oil will be in the measuring cup?
answer:
0.5


question:
A marine biologist measured 1 fish that was 0.3 foot long and asecond fish that was 0.2 foot long. How much longer was the first fish?
answer:

0.1