Three cubes with a surface area of 6 square decimeters are put together to form a cuboid. What is the surface area of this cuboid?
将3个表面积均为6平方分米的正方体拼成一个长方体，这个长方体的表面积是多少平方分米？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">6 / 6</gadget>
<output>1</output>

<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<gadget id="calculator">18 - 4</gadget>
<output>14</output>

<result>14</result>