square wooden box with a side length of 2 decimeters, paint its surface with white paint, what is the area of the painted surface in decimeters**2.
一个正方体的木箱，棱长是2分米，给它表面刷上白色的油漆，刷油漆的面积是多少分米**2．
<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>

<result>24</result>