The speed of a train is 180 km/h, the speed of a car is this train (5/12), the ratio of the speed of an airplane to the speed of this car is 17:3, what is the speed of the airplane km/h?
一列火车的速度是180千米/小时，一辆小汽车的速度是这列火车(5/12)，一架飞机的速度与这辆小汽车速度的比是17：3，飞机的速度是多少千米/小时？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">3 / 17</gadget>
<output>3/17 = around 0.176471</output>

<gadget id="calculator">(5/12) / (3/17)</gadget>
<output>85/36 = around 2.361111</output>

<gadget id="calculator">180 * (85/36)</gadget>
<output>425</output>

<result>425</result>