A car drives from place A to place B at 8:00 am, and arrives at place B at 3:00 pm, traveling an average of 45 kilometers per hour. How many kilometers are there between places A and B?
一辆汽车上午8：00从甲地开往乙地，下午3：00到达乙地，平均每小时行45千米，甲、乙两地相距多少千米？
<gadget id="calculator">45 * 7</gadget>
<output>315</output>

<result>315</result>