large cube is composed of many identical small cubes of wood. If the surface of this large cube is painted red, it is known that there are 864 small cubes with only one side painted. How many small cubes does this large cube consist of?
由许多相同的小正方体木块组成一个大正方体，如果把这个大正方体的表面全涂上红色，已知只有一面涂色的小方块有864块，那么这个大正方体是由多少个小正方体组成．
<gadget id="calculator">12 + 2</gadget>
<output>14</output>

<gadget id="calculator">14 * 14 * 14</gadget>
<output>2_744</output>

<result>2_744</result>