The road between A and B is 360 kilometers long. A car drives from A to B. After driving for 3 hours, it is still 105 kilometers away from B. How many kilometers per hour does the car travel on average?
甲乙两地之间的公路长是360千米，一辆汽车从甲地开往乙地，行驶了3小时后离乙地还有105千米．这辆汽车平均每小时行驶多少千米？
<gadget id="calculator">360 - 105</gadget>
<output>255</output>

<gadget id="calculator">255 / 3</gadget>
<output>85</output>

<result>85</result>