A rectangular experimental field is measured on a drawing with a scale of (1/2000) as 4 cm long and 3 cm wide. What is the actual area of the experimental field in square meters?
一块长方形实验田，在比例尺是(1/2000)的图纸上量得长是4厘米，宽是3厘米，求这块实验田的实际面积是多少平方米？
<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">4 / (1/2_000) / 100</gadget>
<output>80</output>

<gadget id="calculator">3 / (1/2_000) / 100</gadget>
<output>60</output>

<gadget id="calculator">80 * 60</gadget>
<output>4_800</output>

<result>4_800</result>