There are 88 dogs in a park. 12 of the dogs are running. Half of them are playing with toys. A fourth of them are barking. How many dogs are not doing anything?
88/2 = 
<gadget id="calculator">88/2</gadget>
<output>44</output>
44 dogs are playing with toys.
88/4 = 
<gadget id="calculator">88/4</gadget>
<output>22</output>
22 dogs are barking.
88-12-44-22 = 
<gadget id="calculator">88-12-44-22</gadget>
<output>10</output>
10 dogs are not doing anything.

<result>10</result>