In a few days, the Second Rongjiang Bridge will be fully open to traffic. On a map with a scale of 1:100,000, the length of the main bridge of the Rongjiang Bridge is measured to be 1.4 cm. What is the actual length of the main bridge of the Rongjiang Bridge in kilometers?
再过几天，榕江二桥就要全面通车啦．在一幅比例尺是1：100000的地图上，量得榕江大桥的主桥长是1.4厘米，榕江大桥主桥的实际长度是多少千米．
<gadget id="calculator">1.4 / 100_000</gadget>
<output>0.000014</output>

<gadget id="calculator">100_000 * 0.000014</gadget>
<output>1.4</output>

<result>1.4</result>