How many square centimeters of cardboard do you need to make a cube without a lid, and the side length is 24 centimeters?
做一个正方体无盖纸盒，棱长是24厘米，至少需要多少平方厘米的纸板？
<gadget id="calculator">24 * 24 * 5</gadget>
<output>2_880</output>

<result>2_880</result>