On a map, the actual distance of 70 km is represented by 5 cm. What is the scale of this map?
在一幅地图上，用5厘米表示实际距离70千米，这幅地图的比例尺是多少
<gadget id="calculator">5 / 7_000_000</gadget>
<output>1/1_400_000 = around 0.000001</output>

<result>1/1_400_000 = around 0.000001</result>