64 cubes of iron with a side length of 2 cm are used to melt and cast a large cube. What is the surface area of this large cube in square centimeters?
用64个棱长是2厘米的正方体铁块熔铸成一个大正方体，这个大正方体的表面积是多少平方厘米？
<gadget id="calculator">8 * 8 * 6</gadget>
<output>384</output>

<result>384</result>