A square chalk box has a side length of 8 cm. How many square centimeters of cardboard should be used to make such a chalk box?
一个正方体的粉笔盒，棱长是8厘米，做这样一个粉笔盒至少用多少平方厘米纸板．
<gadget id="calculator">8 * 8 * 6</gadget>
<output>384</output>

<result>384</result>