cuboid biscuit box is 20 cm long, 6 cm wide, and 12 cm high. If a circle of trademark paper (upper and lower face stickers) is pasted around it, how many square centimeters should the area of this trademark paper be at least?
一个长方体饼干盒，长20厘米，宽6厘米，高12厘米．如果围着它贴一圈商标纸(上下面部贴)，这张商标纸的面积至少要多少平方厘米？
<gadget id="calculator">6 * 20</gadget>
<output>120</output>

<gadget id="calculator">12 * 6</gadget>
<output>72</output>

<gadget id="calculator">120 + 72</gadget>
<output>192</output>

<gadget id="calculator">192 * 2</gadget>
<output>384</output>

<result>384</result>