There are forty-one students in the classroom.

Seventy-one students are in the classroom.

Sixty-one years later, they still loved each other.

Fifty-one people participated in the race.

Eighty-eight plus three equals eighty-one.

Ninety-one students are in the classroom.

You should try once.

You're welcome, if I could help, I'm happy.

I have a question, I'm waiting for your answer.

The man is wasting time to masturbate in his room.