Doonesbury by Garry Trudeau for January 25, 1972

Transcript:

Mike: Last one. What's six times three? Rufus: Ah....lemme see...ah, six times three...ah, don't tell me!! Um...fourte...no, no, that's not it, it's...six and four, carry three...um...I know, twen...no, no, I've got it! Um..um...yes, yes, I've got it, eighteen! Yes, yes, yes! Big, bad, beautiful eighteen! Mike: Well done!