The speed of a high-speed train is that of an airplane (4/15), and the speed of a car is that of a high-speed train (3/5). A car travels 120 kilometers per hour, how many kilometers per hour does an airplane travel?
高速列车的速度是飞机的(4/15)，小汽车的速度是高速列车的(3/5)．小汽车每小时行120千米，飞机每小时行多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">120 / (3/5) / (4/15)</gadget>
<output>750</output>

<result>750</result>