The distance between A and B is 285 kilometers. A car travels from A to B. After driving for 3 hours, there is still 60 kilometers left. How many kilometers per hour does the car drive on average?
甲、乙两地相距285千米，一辆汽车从甲地开往乙地，行了3小时后还剩60千米，这辆汽车平均每小时行多少千米？
<gadget id="calculator">285 - 60</gadget>
<output>225</output>

<gadget id="calculator">225 / 3</gadget>
<output>75</output>

<result>75</result>