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?
All the animals have 4 legs.
His 3 dogs will need 3 * 4 = 
<gadget id="calculator">3*4</gadget>
<output>12</output>
12 shoes.
His 2 cats will need 2 * 4 = 
<gadget id="calculator">2*4</gadget>
<output>8</output>
8 shoes.
His ferret will need 1 * 4 = 
<gadget id="calculator">1*4</gadget>
<output>4</output>
4 shoes.
Olly will need 12 + 8 + 4 = 
<gadget id="calculator">12+8+4</gadget>
<output>24</output>
24 shoes.

<result>24</result>