Draw a rectangular lawn with a ratio of length to width of 4:3 on the drawing with a scale of (1/200), and the perimeter of the rectangle obtained is 28 cm. What is the actual area of this rectangular lawn in square meters?
把一块长与宽的比为4：3的长方形草坪，用(1/200)的比例尺画在图纸上，得到的长方形的周长是28厘米，这块长方形草坪的实际面积是多少平方米？
<gadget id="calculator">1 / 200</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">8 / (1/200) / 100</gadget>
<output>16</output>

<gadget id="calculator">28 / 2</gadget>
<output>14</output>

<gadget id="calculator">14 - 8</gadget>
<output>6</output>

<gadget id="calculator">6 / (1/200) / 100</gadget>
<output>12</output>

<gadget id="calculator">16 * 12</gadget>
<output>192</output>

<result>192</result>