A passenger car drives from place A to place B. It travels 80 kilometers per hour for the first 2 hours and 100 kilometers per hour for the next 3 hours. How many kilometers per hour does it travel on average?
一辆客车从甲地开往乙地，前2小时每小时行80千米，后3小时每小时行100千米，平均每小时行多少千米？
<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<gadget id="calculator">100 * 3</gadget>
<output>300</output>

<gadget id="calculator">160 + 300</gadget>
<output>460</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">460 / 5</gadget>
<output>92</output>

<result>92</result>