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: Vince's bus ride to school is 0.725 mile and Zachary's bus ride is 0.525 mile. How much longer is Vince's bus ride than Zachary's?

0.2