She counts the legs, and divides by 4.
Bob
What has a foot but no legs?
Mount Rushmore
Because he felt crumby. - my 4 y.o. daughter
They need to learn scientific notation to keep track of their n-count.
She got a frog stuck in her throat at 69.
They all get their fair shear
By m'tosis
The candle is a thousand times brighter!
It's already got thousands of degrees.
Because 69 is a bit of a mouthful.