The actual distance between A and B is 120 km. On a map with a scale of 1:300000, what is the distance in centimeters between the two places?
甲、乙两地之间的实际距离是120千米．在一辐比例尺是1：300000的地图上，两地之间的距离是多少厘米．
<gadget id="calculator">1 / 300_000</gadget>
<output>1/300_000 = around 0.000003</output>

<gadget id="calculator">120 * 100_000 * (1/300_000)</gadget>
<output>40</output>

<result>40</result>