Mario needs to buy snowshoes for his 6 sled dogs.  Assuming his dogs each has four legs and each pair of snowshoes costs $12.00, how much will it cost him to buy snowshoes for all of his dogs?
Dogs have 4 legs and a pair is 2 legs so each dog has 4/2 = 
<gadget id="calculator">4/2</gadget>
<output>2</output>
2 pair of legs.
There are 6 dogs and they each have 2 pair of legs so they have 6*2 = 
<gadget id="calculator">6*2</gadget>
<output>12</output>
12 pair of legs.
The snowshoes cost $12 per pair and he needs to buy 12 pairs so he will spend 12*12 = $
<gadget id="calculator">12*12</gadget>
<output>144</output>
144 on snowshoes.

<result>144</result>