On a map, 1 centimeter on the map represents the actual distance of 60 kilometers. If the distance between A and B is 180 kilometers, how many centimeters should be drawn on this map.
在一幅地图上，图上1厘米表示实际距离60千米，如果甲、乙两地相距180千米，在这幅地图上应该画多少厘米．
<gadget id="calculator">180 / 60</gadget>
<output>3</output>

<gadget id="calculator">1 * 3</gadget>
<output>3</output>

<result>3</result>