If 4 cubes with side lengths of 2 decimeters are used to form a cuboid, what is the surface area of the cuboid with the smallest surface area in square meters?
用4个棱长为2分米的正方体拼成一个长方体，表面积最小的那个长方体的表面积是多少平方米．
<gadget id="calculator">2 * 2 * 2 * 2</gadget>
<output>16</output>

<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<gadget id="calculator">16 + 8 + 8</gadget>
<output>32</output>

<gadget id="calculator">32 * 2</gadget>
<output>64</output>

<result>64</result>