There is a rectangular land. The length on the picture is 6 cm and the width is 4 cm. The scale of this picture is 1:6000. What is the actual area of the rectangular land?
有一块长方形地，图上的长是6厘米，宽是4厘米，此图的比例尺是1：6000，那么长方形地的实际面积是多少？
<gadget id="calculator">1 / 6_000</gadget>
<output>1/6_000 = around 0.000167</output>

<gadget id="calculator">6 / (1/6_000) / 100</gadget>
<output>360</output>

<gadget id="calculator">4 / (1/6_000) / 100</gadget>
<output>240</output>

<gadget id="calculator">360 * 240</gadget>
<output>86_400</output>

<result>86_400</result>