On a map with a scale of 1:10000000, please measure the distance between A and B on the map is 2 cm. How many kilometers are the distance between A and B?
在比例尺是1：10000000的地图上，请量出甲地到乙地的图上距离是2厘米，甲、乙两地相距多少千米？
<gadget id="calculator">1 / 10_000_000</gadget>
<output>1/10_000_000 = around 0</output>

<gadget id="calculator">2 / (1/10_000_000) / 100_000</gadget>
<output>200</output>

<result>200</result>