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: This afternoon Craig left school, rode the bus 3.8 miles, and then walked 0.2 mile to get home. How much farther did Craig ride than walk?

3.6