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: A construction company bought 5.91 tons of gravel and 8.19 tons ofsand. How many tons of material did the company buy in all?
Example Output: 14.1

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: Tom had 27 pennies and 15 dimes in his bank. His dad gave him 33dimes and 49 nickels. How many dimes does he have now?
Example Output:
48.0