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.

Example Input: There were 3 roses in the vase. Alyssa cut some roses from herflower garden. There are now 14 roses in the vase. How many rosesdid she cut?
Example Output: 11.0

Example Input: Dan grew 42 turnips and 38 cantelopes. Jessica grew 47 turnips. Howmany turnips did they grow in total?
Example Output: 89.0

Example Input: While making pastries, a bakery used 0.2 bag of wheat flour and 0.1 bag of white flour. How many bags of flour did the bakery use in all?
Example Output:
0.3