"very well" - "очень хорошо" "very good" - "очень хороший"

Well describes a verb. She did that very well. Good refers to a noun. She gave a very good answer.

Hello Виталий. Thank you for a question, after you asked it, I went to search for the answer, and found this website. https://forum.wordreference.com/threads/very-good-vs-very-well.1224868/