Selling moon cakes, the "Osmanthus" brand moon cakes processed by the pastry factory, every 4 pieces are packed in a box, and every 2 boxes are packed in a box, each sells for 3 yuan, how much does a box of such mooncakes sell for?
出售月饼，糕点厂加工的"桂花"牌月饼，每4个装1盒，每2盒装一箱，每个卖3元，一箱这样的月饼卖多少元？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">3 * 8</gadget>
<output>24</output>

<result>24</result>