Use 192 cm wire to make a rectangular parallelepiped frame. The ratio of length, width and height is 7:5:4. To paste a layer of paper on the surface of the frame, what is the area of the paper?
用192厘米的铁丝做一个长方体的框架．长、宽、高的比是7：5：4．要在框架的表面糊上一层纸，糊纸的面积是多少？
<gadget id="calculator">192 / 4</gadget>
<output>48</output>

<gadget id="calculator">7 + 4 + 5</gadget>
<output>16</output>

<gadget id="calculator">7 / 16</gadget>
<output>7/16 = around 0.4375</output>

<gadget id="calculator">48 * (7/16)</gadget>
<output>21</output>

<gadget id="calculator">5 / 16</gadget>
<output>5/16 = around 0.3125</output>

<gadget id="calculator">48 * (5/16)</gadget>
<output>15</output>

<gadget id="calculator">21 * 15</gadget>
<output>315</output>

<gadget id="calculator">4 / 16</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 * (1/4)</gadget>
<output>12</output>

<gadget id="calculator">21 * 12</gadget>
<output>252</output>

<gadget id="calculator">15 * 12</gadget>
<output>180</output>

<gadget id="calculator">315 + 252 + 180</gadget>
<output>747</output>

<gadget id="calculator">747 * 2</gadget>
<output>1_494</output>

<result>1_494</result>