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: 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

Example Input: Keith grew 6 turnips. Alyssa grew 9 turnips. How many turnips didthey grow in all?
Example Output: 15.0

Example Input: Mary went to the mall. She spent $13.03 on a shirt and $12.27 on a jacket. She went to 2 shops. In total, how much money did Mary spend on clothing?
Example Output:
25.3