A rectangular vegetable plot is drawn on a drawing with a scale of 1:400, the circumference is 48 cm, and the ratio of length to width is 5:3. What is the actual area of this vegetable plot in square meters?
一块长方形菜地画在比例尺为1：400的图纸上，周长是48厘米，长与宽的比是5：3，这块菜地的实际面积是多少平方米？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 400</gadget>
<output>1/400 = around 0.0025</output>

<gadget id="calculator">(5/8) / (1/400) / 100</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(3/8) / (1/400) / 100</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">24 * (5/2) * 24 * (3/2)</gadget>
<output>2_160</output>

<result>2_160</result>