The train traveled from A to B for 4 hours, 85 kilometers in the first hour, 89 kilometers in the second hour, 93 kilometers in the third hour, and 89 kilometers in the fourth hour. Average miles per hour?
火车从甲地到乙地行了4小时，第一小时行了85千米，第二小时行了89千米，第三小时行了93千米，第四小时行了89千米．平均每小时行多少千米？
<gadget id="calculator">85 + 89 + 93 + 89</gadget>
<output>356</output>

<gadget id="calculator">356 / 4</gadget>
<output>89</output>

<result>89</result>