A car travels 300 kilometers in 6 hours, and a train travels 600 kilometers in 6 hours. How much more kilometers does the train travel per hour than the car per hour?
一辆汽车6小时行了300千米，一列火车6小时行了600千米，火车每小时比汽车每小时多行多少千米？
<gadget id="calculator">600 / 6</gadget>
<output>100</output>

<gadget id="calculator">300 / 6</gadget>
<output>50</output>

<gadget id="calculator">100 - 50</gadget>
<output>50</output>

<result>50</result>