The expressway between Huining and Lanzhou is 148 kilometers long. How many centimeters should be drawn on a map with a scale of 1:3700000.
会宁到兰州之间的高速公路长148千米．在一幅比例尺为1：3700000的地图上应画多少厘米．
<gadget id="calculator">1 / 3_700_000</gadget>
<output>1/3_700_000 = around 0</output>

<gadget id="calculator">148 * 100_000 * (1/3_700_000)</gadget>
<output>4</output>

<result>4</result>