They use a cow-culator! Ba-dum-tsss!
A BoVine
They herd it through the bovine.
Steaks.
A mistake
Me: How dare you try and sneak maths into this.
Because he likes to Count.
This calls for Jurastic changes
Mas cow.
The attorney charges more.
I herd that.
A moss-cow. Alternative answer: dead.
A mountain gloat.
Cymbals have horns and others don't!