The areas of the three adjacent faces of a cuboid are 6 square centimeters, 8 square centimeters, and 12 square centimeters. What is the surface area of this cuboid in square centimetres.
一个长方体相邻三个面的面积分别是6平方厘米、8平方厘米、12平方厘米．这个长方体的表面积是多少平方厘米．
<gadget id="calculator">6 + 8 + 12</gadget>
<output>26</output>

<gadget id="calculator">26 * 2</gadget>
<output>52</output>

<result>52</result>