Spike: Ignatius, do you know what the square root of 26,481 is? Iggy: What are you talking about? Spike: One-hundred ninety-one.
Spikehas had his brain evolved to higher intelligence, gets up out of the chair used to do this somewhere in the lair of Koopa in Dinohattan. He asks a bewildered Spike the square root of a long number and answers it to show off his brain.