The speed of a car is (1/15) that of an airplane. The speed of the car is 140 km/h. What is the speed of the airplane?
一种小汽车的速度是飞机的(1/15)，小汽车速度是140千米/小时，飞机的速度是多少？
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">140 / (1/15)</gadget>
<output>2_100</output>

<result>2_100</result>