On a map with a scale of 1:5000000, the distance from point A to point B is 4.4 cm. If a car drives from point A to point B at a speed of 50 kilometers per hour, it will take several hours:
在比例尺为1：5000000的地图上，量得甲地到乙地的距离是4.4厘米，如果一辆汽车以每小时50千米的速度从甲地开往乙地，需要几个小时：
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">4.4 / (1/5_000_000) / 100_000 / 50</gadget>
<output>4.4</output>

<result>4.4</result>