Brenda raises mice, and her adult mice recently had three litters of 8 each. She gave a sixth of the baby mice to her friend Robbie to keep as pets. She sold three times the number of babies she gave Robbie to a pet store. Half of the remaining mice were sold to snake owners as feeder mice. How many baby mice did Brenda have left?
Brenda's mice had 3 * 8 = 
<gadget id="calculator">3*8</gadget>
<output>24</output>
24 baby mice.
She gave Robbie 24 / 6 = 
<gadget id="calculator">24/6</gadget>
<output>4</output>
4 mice.
Thus, she sold 3 * 4 = 
<gadget id="calculator">3*4</gadget>
<output>12</output>
12 mice to the pet store.
She had 24 - 12 - 4 = 
<gadget id="calculator">24-12-4</gadget>
<output>8</output>
8 mice remaining.
She sold 8 / 2 = 
<gadget id="calculator">8/2</gadget>
<output>4</output>
4 as feeder mice.
Thus, Brenda had 8 - 4 = 
<gadget id="calculator">8-4</gadget>
<output>4</output>
4 mice left.

<result>4</result>