How much colored paper do you need to paste the color line decoration on the surface of a regular box with an edge of 18 meters?
小把一个棱为18米的正体盒的面都贴上彩行装饰，至少需要多少彩纸？
<gadget id="calculator">6 * 18 * 18</gadget>
<output>1_944</output>

<result>1_944</result>