A rectangular vegetable plot is 1.8 cm long and 1.2 cm wide measured on a plan with a scale of 1:3000. What is the actual area of the vegetable plot in square meters?
在比例尺是1：3000的平面图上测得一块长方形菜地长1.8厘米，宽1.2厘米，这块菜地的实际面积是多少平方米？
<gadget id="calculator">1 / 3_000</gadget>
<output>1/3_000 = around 0.000333</output>

<gadget id="calculator">1.8 / (1/3_000) / 100</gadget>
<output>54</output>

<gadget id="calculator">1.2 / (1/3_000) / 100</gadget>
<output>36</output>

<gadget id="calculator">54 * 36</gadget>
<output>1_944</output>

<result>1_944</result>