A cuboid block of wood has a surface area of 28 square centimeters, which can be sawn into three equal cubes. What is the surface area of each cube?
一个长方体木块的表面积是28平方厘米，正好可以把它锯成三个相等的正方体，每个正方体的表面积是多少平方厘米？
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">12 + 2</gadget>
<output>14</output>

<gadget id="calculator">28 / 14</gadget>
<output>2</output>

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

<result>12</result>