Xiaogang drove to place B at 8:00 am and arrived at 12:00 noon. He drove a total of 328 kilometers, how many kilometers per hour on average?
小刚上午8时开车去乙地，中午12时到达，一共行驶了328千米，平均每小时行多少千米？
<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">328 / 4</gadget>
<output>82</output>

<result>82</result>