Use a 48 decimeter long iron wire to make a rectangular parallelepiped frame. The ratio of its length, width, and height is 5:4:3. Paste a layer of paper on the outside of this rectangular parallelepiped frame. How many square decimeters of paper are needed?
用一根长48分米的铁丝做成一个长方体框架，它的长、宽、高的比是5：4：3，在这个长方体框架外边糊一层纸，至少需要多少平方分米的纸？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">12 * (5/12)</gadget>
<output>5</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<gadget id="calculator">12 * (5/12) * 4</gadget>
<output>20</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (5/12) * 12 * (1/4)</gadget>
<output>15</output>

<gadget id="calculator">4 * 12 * (1/4)</gadget>
<output>12</output>

<gadget id="calculator">20 + 15 + 12</gadget>
<output>47</output>

<gadget id="calculator">47 * 2</gadget>
<output>94</output>

<result>94</result>