Definition: 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.
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?

48.0