A train travels 261 kilometers in 3.6 hours, and a car travels 450 kilometers in 4.5 hours. Is the train faster or the car faster? How much faster?
一列火车3.6小时行驶了261千米，一辆汽车4.5小时行驶了450千米．火车快还是汽车快？快多少？
<gadget id="calculator">450 / 4.5</gadget>
<output>100</output>

<gadget id="calculator">261 / 3.6</gadget>
<output>72.5</output>

<gadget id="calculator">100 - 72.5</gadget>
<output>27.5</output>

<result>27.5</result>