On a map with a scale of 1:x, the measured distance from A to B is 3.5 cm, while the actual distance from A to B is 105 kilometers, x=how much.
在比例尺1：x的地图上，量得A地到B地的距离是3.5厘米，而A地到B地的实际距离105公里，x=多少．
<result>3_000_000</result>