If a cube with a surface area of 36 square centimeters is cut into two identical cuboids, how many square centimeters will the surface area increase?
一个表面积为36平方厘米的正方体，切成两个完全一样的长方体后，表面积增加了多少平方厘米．
<gadget id="calculator">36 / 6</gadget>
<output>6</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>