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.
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Question: Sara picked 35 pears and 27 apples from the orchard. She gave 28pears to Dan. How many pears does Sara have?

Answer: 7.0


Question: Greg and Sharon own neighboring cornfields. Greg harvested 0.4 acreof corn on Monday and Sharon harvested 0.1 acre. How many moreacres did Greg harvest than Sharon?

Answer: 0.3


Question: There are 7 dogwood trees currently in the park. Park workers willplant 3 dogwood trees today and 2 dogwood trees tomorrow. Howmany dogwood trees will the park have when the workers arefinished?

Answer:
12.0