A road is 360 kilometers long. After the car has driven for 2.5 hours, there are still 210 kilometers left. How many kilometers does the car travel on average per hour?
一条公路长360千米，小汽车行了2.5小时后，还剩210千米，小汽车平均每小时行多少千米？
<gadget id="calculator">360 - 210</gadget>
<output>150</output>

<gadget id="calculator">150 / 2.5</gadget>
<output>60</output>

<result>60</result>