Use a 27 cm long iron wire to make a rectangular parallelepiped frame. The ratio of length, width, and height of this rectangular parallelepiped frame is 4:3:2. If you paste a layer of paper on the outside of this rectangular parallelepiped, how many square centimeters of paper will you need at least?
用一根长27厘米的铁丝做一个长方体框架，这个长方体框架的长、宽、高的比是4：3：2，如果在这个长方体外面糊一层纸，至少需要多少平方厘米的纸？
<gadget id="calculator">27 / 4</gadget>
<output>27/4 = around 6.75</output>

<gadget id="calculator">4 + 3 + 2</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(27/4) * (4/9)</gadget>
<output>3</output>

<gadget id="calculator">(4/9) / 9</gadget>
<output>4/81 = around 0.049383</output>

<gadget id="calculator">(27/4) * (4/81)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(27/4) * (4/9) * (27/4) * (1/3) * 2</gadget>
<output>27/2 = around 13.5</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(27/4) * (4/9) * (27/4) * (2/9) * 2</gadget>
<output>9</output>

<gadget id="calculator">(27/4) * (1/3) * (27/4) * (2/9) * 2</gadget>
<output>27/4 = around 6.75</output>

<gadget id="calculator">(27/2) + 9 + (27/4)</gadget>
<output>117/4 = around 29.25</output>

<result>117/4 = around 29.25</result>