TASK 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.
PROBLEM: Mandy made an apple pie. She used 0.6 tablespoon of cinnamon and 0.5 tablespoon of nutmeg. How much more cinnamon than nutmeg did Mandy use?

SOLUTION: 0.1

PROBLEM: For his car, Mike spent $118.57 on speakers and $106.33 on newtires. Mike wanted 3 CD's for $4.58 but decided not to. In total,how much did Mike spend on car parts?

SOLUTION: 224.9

PROBLEM: Mike has 8 orange marbles, he gave Sam 4 of the marbles. Howmany orange marbles does he now have?

SOLUTION:
4.0