Your question is Handle an Unprofessional Interviewer. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are in the middle of an interview, and the interviewer appears distracted or behaves unprofessionally. You still want to represent yourself well, gather enough signal to continue, and decide whether the issue should be addressed afterward.
How would you handle a situation where an interviewer is unprofessional or distracted during the interview?