Cut a large cube into 27 small cubes with the same cold field. The sum of the surface areas of these small cubes is how many times the surface area of the round big cube.
将一个大正方体切成27个冷场相同的小正方体，这些小正方体的表面积之和是圆大正方体的表面积的多少倍．
<gadget id="calculator">6 + 12</gadget>
<output>18</output>

<gadget id="calculator">18 / 6</gadget>
<output>3</output>

<result>3</result>