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: Hannah's Vegetarian Restaurant bought 0.3 poundof green peppers and 0.6 pound of red peppers.How many pounds of peppers did Hannah's Vegetarian Restaurantbuy in all?

0.9