A passenger car starts at 8:00 in the morning and arrives at the destination at 4:00 in the afternoon. If it travels an average of 85 kilometers per hour, how many kilometers has the car traveled in total?
一辆客车从早上8：00出发，下午4：00到达目的地，如果平均每小时行驶85千米，这辆车共行驶了多少千米．
<gadget id="calculator">85 * 8</gadget>
<output>680</output>

<result>680</result>