The distance between A and B is 175 kilometers. How many centimeters should be drawn on a map with a scale of 1:2500000?
甲乙两地相距175千米，要画在比例尺是1：2500000的地图上，应画多少厘米．
<gadget id="calculator">1 / 2_500_000</gadget>
<output>1/2_500_000 = around 0</output>

<gadget id="calculator">175 * 100_000 * (1/2_500_000)</gadget>
<output>7</output>

<result>7</result>