cube gift box with a side length of 6cm, how many square centimeters of wrapping paper should be used to wrap this gift box at least?
一个正方体的礼品盒，棱长6cm，包装这个礼品盒至少要用多少平方厘米的包装纸？
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<result>216</result>