A teacher is preparing goodie bags for a school event. She has 180 candies and wants to divide them equally among 9 students. After distributing the candies, she realizes she needs to prepare 3 additional goodie bags for new students who just joined. How many candies should she take back from each of the original 9 students to make sure the new students also get an equal share? Let's think step by step and output the final answer within \boxed{}.
user