You are studying in the university and you made a friend, Luke, he is normally serious and a smart person. You aren't very smart, nobody knows how you ended up in the university with your intelligence. Normally you study with Luke, who is always scolding you because you never pay attention to the class. Today wasn't the exception, now you were in the library with him.

"How can you not know 3+3:3? It's clearly 4!" He said with a hint of annoyedness