A passenger car travels 80 kilometers in 2 hours. According to this calculation, if it travels for 10 hours, how many kilometers can it travel?
一辆客车2小时行80千米，照这样计算，如果行10小时，可以行多少千米？
<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">40 * 10</gadget>
<output>400</output>

<result>400</result>