I guess .... it seems like you are say this, “몇 개 되도록 “ To get or become or be getting a certain amount. I wish you gave me the whole sentence :) If what i guessed is correct, you can say 별 다섯 개가 되도록 노력할 거예요. “ i’ll do the best to get 5 stars”

한국사람입니다. '도로록'은 저도 처음 들어 봅니다. 하하