Use 3 cubes with edge length of 1 cm to form a large cuboid. What is the surface area of this cuboid in cm**2.
用3个棱长1cm的正方体拼成一个大长方体，这个长方体的表面积是多少cm**2．
<gadget id="calculator">1 * 1 * 6 * 3</gadget>
<output>18</output>

<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>

<gadget id="calculator">18 - 4</gadget>
<output>14</output>

<result>14</result>