A cuboid can just be cut into two identical cubes. It is known that the surface area of the cuboid is 40 square centimeters. What is the surface area of each cube?
一个长方体正好可以截成两个完全一样的正方体，已知长方体的表面积是40平方厘米，那么每个正方体的表面积是多少平方厘米．
<gadget id="calculator">40 / 10</gadget>
<output>4</output>

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

<result>24</result>