Take a small cube out of the big cube made up of 8 small cubes whose edge lengths are all 1 cm, what is its surface area at this time?
从由8个棱长均是1cm的小正方体拼成的大正方体中，拿走一个小正方体，这时它的表面积是多少．
<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>

<result>24</result>