A train travels 216 kilometers in 3 hours, and a car travels 280 kilometers in 5 hours. Who is faster? How many kilometers per hour?
一列火车3小时行216千米，一辆轿车5小时行280千米．谁的速度快？每小时快多少千米？
<gadget id="calculator">216 / 3</gadget>
<output>72</output>

<gadget id="calculator">280 / 5</gadget>
<output>56</output>

<gadget id="calculator">72 - 56</gadget>
<output>16</output>

<result>16</result>