Laughter is the best medicine

Three elderly men are at the doctor's office for a memory test.
The doctor asks the first man, "What's three times three?"

"274", he replies.

The doctor rolls his eyes, looks up at the ceiling, and says to
the second man, "It's your turn. What is three times three?"

"Tuesday", says the second man.

The doctor shakes his head sadly, then asks the third man,
"Okay, your turn. What's three times three?"

"Nine", says the third man.

"That's great!", says the doctor. "How did you get that?"

"Simple", he says, "just divide 274 by Tuesday".