Mother made 2 dozen brownies and placed them on the kitchen counter to cool.  Father smelled the brownies, came into the kitchen and ate 8 of them. Then, their daughter, Mooney, wandered into the kitchen and ate 4 of the brownies. The next morning, Mother made another two dozen brownies and added them to those remaining from the day before.  After that, how many brownies were on the counter?
Two dozen brownies is 2 * 12 = 
<gadget id="calculator">2*12</gadget>
<output>24</output>
24 brownies.
After Father ate his 8, there were 24 - 8 = 
<gadget id="calculator">24-8</gadget>
<output>16</output>
16 brownies remaining on the counter.
After Mooney ate her 4, there were 16 - 4 = 
<gadget id="calculator">16-4</gadget>
<output>12</output>
12 brownies remaining on the counter.
Mother made a second batch of two-dozen brownies, or 2 * 12 = 
<gadget id="calculator">2*12</gadget>
<output>24</output>
24 brownies.
After Mother added the second two-dozen, there were 12 + 24 = 
<gadget id="calculator">12+24</gadget>
<output>36</output>
36 brownies on the kitchen counter.

<result>36</result>