On a 1:1,000,000 map, the distance between Lanzhou and Xi’an is 5 centimeters. Then, how long does it take for Uncle Wang to travel from Xi’an to Lanzhou by train at a speed of 50 kilometers per hour?
在一幅1：1000000的地图上，兰州到西安的铁路线距离是5厘米，那么，王大伯坐时速为50千米的火车从西安到兰州，他需几小时才能到达？
<gadget id="calculator">1 / 1_000_000</gadget>
<output>1/1_000_000 = around 0.000001</output>

<gadget id="calculator">5 / (1/1_000_000) / 100_000</gadget>
<output>50</output>

<gadget id="calculator">50 / 50</gadget>
<output>1</output>

<result>1</result>