If two cubes with a volume of 1 cubic decimeter are put together to form a cuboid, what is the surface area of the cuboid?
把两个体积是1立方分米的正方体小块拼成一个长方体，长方体的表面积是多少平方分米．
<gadget id="calculator">1 * 1 * 6 * 2</gadget>
<output>12</output>

<gadget id="calculator">1 * 1 * 2</gadget>
<output>2</output>

<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<result>10</result>