A train travels 432 kilometers at 6 o'clock, and a car travels 144 kilometers at 4 o'clock. How many times the speed of the train is the speed of the car?
一列火车6时行432千米，一辆汽车4时行144千米，火车的速度是汽车速度的多少倍？
<gadget id="calculator">432 / 6</gadget>
<output>72</output>

<gadget id="calculator">144 / 4</gadget>
<output>36</output>

<gadget id="calculator">72 / 36</gadget>
<output>2</output>

<result>2</result>