A train travels 360 kilometers in 3 hours, and a car travels 300 kilometers in 4 hours. How many kilometers per hour is the train faster than the car?
一列火车3小时行360千米，一辆汽车4小时行300千米，火车每小时比汽车快多少千米？
<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<gadget id="calculator">300 / 4</gadget>
<output>75</output>

<gadget id="calculator">120 - 75</gadget>
<output>45</output>

<result>45</result>