On a map with a scale of (1/1000000), the distance between A and B is 3.5 cm. What is the actual distance between A and B in kilometers?
在一幅比例尺是(1/1000000)的地图上，量得甲、乙两地的距离是3.5厘米，甲、乙两地的实际距离是多少千米．
<gadget id="calculator">1 / 1_000_000</gadget>
<output>1/1_000_000 = around 0.000001</output>

<gadget id="calculator">3.5 / (1/1_000_000) / 100_000</gadget>
<output>35</output>

<result>35</result>