On a 1:50000 map, the distance between the two places is 3.2 cm. What is the actual distance in kilometers between the two places?
在一幅1：50000的地图上量得两地的距离是3.2厘米．求这两地的实际距离是多少千米？
<gadget id="calculator">1 / 50_000</gadget>
<output>1/50_000 = around 0.00002</output>

<gadget id="calculator">3.2 / (1/50_000) / 100_000</gadget>
<output>1.6</output>

<result>1.6</result>