Cutting a cube into two cuboids increases the surface area by 8 square meters. What is the surface area of the original cube?
把一个正方体切成两个长方体，表面积就增加了8平方米，原来正方体的表面积是多少平方米．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>