On a drawing with a scale of 1:5000, it is measured that the length of a rectangular vegetable field is 4 cm and the width is 1.2 cm. What is the actual area of the vegetable field in square meters?
在一幅比例尺是1：5000的图纸上，量得一块长方形菜地的长是4厘米，宽是1.2厘米．这块菜地的实际面积是多少平方米？
<gadget id="calculator">1 / 5_000</gadget>
<output>1/5_000 = around 0.0002</output>

<gadget id="calculator">4 / (1/5_000) / 100</gadget>
<output>200</output>

<gadget id="calculator">1.2 / (1/5_000) / 100</gadget>
<output>60</output>

<gadget id="calculator">200 * 60</gadget>
<output>12_000</output>

<result>12_000</result>