Instructions: 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: Blake filled a bucket with 0.8 gallon of water. Later, he poured out 0.2 gallon of the water. How much water is in the bucket?
Output:
0.6