If a cuboid is cut into two cubes, the surface area increases by 18 square centimeters, what is the volume of each cube in cubic centimeters?
把一个长方体恰好截成两个正方体后，表面积增加了18平方厘米，则每个正方体的体积是多少立方厘米．
<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<result>27</result>