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.

Sandy grew 8 carrots and 7 turnips. Mary grew 6 carrots. How manycarrots did they grow in all?
14.0

There are 107 walnut trees currently in the park. Park workers willplant 104 walnut trees today. How many walnut trees will the parkhave when the workers are finished?
211.0

Joan has 9 blue balloons but lost 2 of them. How many blue balloonsdoes Joan have now?

7.0

