A car travels 192.36 kilometers in 4.2 hours, how many kilometers per hour does it travel on average?
一辆汽车4.2小时行驶192.36千米，平均每小时行驶多少千米？
<gadget id="calculator">192.36 / 4.2</gadget>
<output>45.8</output>

<result>45.8</result>