A truck drives from place A to place B, starting at 8:00 am and arriving at 9:00 pm, the speed of the truck is 55 kilometers per hour, how many kilometers is it from place A to place B?
一辆卡车从甲地开往乙地，从上午8：00出发，晚上9：00到达，卡车的速度是每小时行55千米，从甲地到乙地有多少千米？
<gadget id="calculator">21 - 8</gadget>
<output>13</output>

<gadget id="calculator">55 * 13</gadget>
<output>715</output>

<result>715</result>