###Human: Olly wants to get shoes to protect his pets’ paws. He owns 3 dogs, 2 cats, and a ferret. How many shoes does he need?, ### Assistant: All the animals have 4 legs.
His 3 dogs will need 3 * 4 = 12 shoes.
His 2 cats will need 2 * 4 = 8 shoes.
His ferret will need 1 * 4 = 4 shoes.
Olly will need 12 + 8 + 4 = 24 shoes. 
 So the answer is :  24