The car traveled 325.8 kilometers in 4.5 hours, how many kilometers per hour on average?
小轿车4.5小时行驶了325.8千米，平均每小时行驶多少千米？
<gadget id="calculator">325.8 / 4.5</gadget>
<output>72.4</output>

<result>72.4</result>