There is a pile of cube wood blocks whose edge length is 2 cm, and two such wood blocks are put together to form a cuboid. What is the surface area of this cuboid?
现有一堆棱长是2厘米的正方体木块，用两块这样的木块拼成一个长方体，求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>