The distance between A and B is 8 cm measured on a map with a scale of 1:1000. If it is drawn on a map with a scale of 1:4000, how long should it be drawn?
在比例尺是1：1000的地图上量得甲、乙两地相距8厘米，如果画在比例尺是1：4000的地图上，应画多长？
<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

<gadget id="calculator">8 / (1/1_000)</gadget>
<output>8_000</output>

<gadget id="calculator">1 / 4_000</gadget>
<output>1/4_000 = around 0.00025</output>

<gadget id="calculator">8_000 * (1/4_000)</gadget>
<output>2</output>

<result>2</result>