A car starts at 8:00 am and arrives at the end at 2:00 pm, and travels an average of 84 kilometers per hour. How many kilometers has it traveled in total?
一辆汽车从上午8时出发到下午2时到达终点，平均每小时行84千米，一共行驶多少千米？
<gadget id="calculator">14 - 8</gadget>
<output>6</output>

<gadget id="calculator">84 * 6</gadget>
<output>504</output>

<result>504</result>