If three cubes with side lengths of 2 cm are put together to form a cuboid, what is the surface area in square centimetres?
把三个棱长是2厘米的正方体拼成一个长方体后，它的表面积是多少平方厘米．
<gadget id="calculator">2 * 2 * 6 * 3</gadget>
<output>72</output>

<gadget id="calculator">2 * 2 * 4</gadget>
<output>16</output>

<gadget id="calculator">72 - 16</gadget>
<output>56</output>

<result>56</result>