A train travels 270 kilometers in 3 hours, and a car travels 350 kilometers in 5 hours. How much faster is the speed of the train than the speed of the car?
一列火车3小时行270千米，一辆汽车5小时行350千米，火车的速度比汽车的速度快多少千米？
<gadget id="calculator">270 / 3</gadget>
<output>90</output>

<gadget id="calculator">350 / 5</gadget>
<output>70</output>

<gadget id="calculator">90 - 70</gadget>
<output>20</output>

<result>20</result>