What is the surface area of the cuboid by gluing two small cubes with side lengths of 2 decimeters together to form a cuboid?
把两个棱长2分米的小正方体，粘合成一个长方体，这个长方体的表面积是多少．
<gadget id="calculator">2 * 2 * 10</gadget>
<output>40</output>

<result>40</result>