A car starts at 9:30 in the morning and arrives at the destination at 2:30 in the afternoon. It travels 84 kilometers per hour. How far is it from the starting point to the destination?
一辆汽车从早上9：30出发，到下午2：30到达目的地，它每小时行84千米，从出发点到目的地有多远？
<gadget id="calculator">84 * 5</gadget>
<output>420</output>

<result>420</result>