On a school plan with a scale of 1:4000, the distance from the teaching building to the playground is 4.8 cm. What is the actual distance in meters?
在一幅比例尺是1：4000的学校平面图上，量得教学楼到操场的距离是4.8厘米，实际距离是多少米．
<gadget id="calculator">1 / 4_000</gadget>
<output>1/4_000 = around 0.00025</output>

<gadget id="calculator">4.8 / (1/4_000)</gadget>
<output>19_200</output>

<gadget id="calculator">19_200 / 100</gadget>
<output>192</output>

<result>192</result>