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: There is 0.2 cup of oil in Scarlett's measuring cup. If Scarlett adds 0.3 cup more, how much oil will be in the measuring cup?

0.5