Put 3 cubes with edge length of 2cm into a cuboid, what is its surface area in cm**2.
将棱长是2cm的3个正方体摆成一个长方体，它的表面积是多少cm**2．
<gadget id="calculator">3 * 6 * 2 * 2</gadget>
<output>72</output>

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

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

<result>56</result>