On a map with a scale of 1:25000, the distance between the two places is 4.5 cm. How many kilometers are the actual distance between the two places?
在比例尺1：25000的地图上，两地相距4.5厘米，两地实际相距多少千米？
<gadget id="calculator">1 / 25_000</gadget>
<output>1/25_000 = around 0.00004</output>

<gadget id="calculator">4.5 / (1/25_000) / 100_000</gadget>
<output>1.125</output>

<result>1.125</result>