A car model is made by reducing the size of the car to 1:18. The length of the known model is 0.25m. How many meters is the actual length of this car?
一种轿车模型是将小轿车按1：18缩小后制作的，已知模型的长度为0.25m，这种小轿车实际长多少米？
<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">0.25 / (1/18)</gadget>
<output>4.5</output>

<result>4.5</result>