On a map with a scale of 1:1,000,000, the distance between A and B is 18 centimeters. How many kilometers is the actual distance between A and B?
在比例尺是1：1000000的地图上，量得甲乙两地的距离是18厘米，甲乙两地的实际距离大约是多少千米？
<gadget id="calculator">1 / 1_000_000</gadget>
<output>1/1_000_000 = around 0.000001</output>

<gadget id="calculator">18 / (1/1_000_000) / 100_000</gadget>
<output>180</output>

<result>180</result>