On a map with a scale of 1:10000000, the length of the railway between A and B is 6.2 cm. If a train leaves from A at a speed of 120 kilometers per hour, how long will it take to reach B?
在比例尺是1：10000000的地图上，量得甲、乙两地铁路长6.2厘米，如果一列火车以每小时120千米的速度从甲地开出，几小时可到达乙地？
<gadget id="calculator">1 / 10_000_000</gadget>
<output>1/10_000_000 = around 0</output>

<gadget id="calculator">6.2 / (1/10_000_000) / 100_000 / 120</gadget>
<output>5.166667</output>

<result>5.166667</result>