If a cube is equally divided into 2 small cuboids and the surface area is increased by 8 cm2, what is the volume of the original cube?
一个正方体平均分成2个小长方体表面积增加8平方厘米，原正方体的体积是多少立方厘米．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>