If a cube is cut into two identical cuboids and the surface area is increased by 18 cm2, what is the volume of the cube in cm3?
把一个正方体切成两个完全一样的长方体，表面积增加了18平方厘米，则这个正方体的体积是多少立方厘米．
<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<result>27</result>