On a map with a scale of 1:60, the side length of a square flowerbed is 3 cm. What is the actual area of the flowerbed in square meters?
在一幅比例尺是1：60的地图上，量得一个正方形花圃的边长是3厘米，这个花圃的实际面积是多少平方米
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">3 / (1/60)</gadget>
<output>180</output>

<gadget id="calculator">3 / (1/60) / 10_000</gadget>
<output>9/500 = around 0.018</output>

<gadget id="calculator">180 * (9/500)</gadget>
<output>81/25 = around 3.24</output>

<result>81/25 = around 3.24</result>