If a cube with sides 8 cm long is sawed into smaller cubes with sides 4 cm long, what is the increase in surface area?
把一个棱长是8厘米的正方体木块锯成棱长是4厘米的小正方体，表面积增加了多少．
<gadget id="calculator">8 * 8 * 6</gadget>
<output>384</output>

<result>384</result>