A ship sails 45 kilometers per hour, departs from port A at 8:00 am, and arrives at port B at 3:00 pm: how many kilometers are the distance between port A and port B?
一艘轮船每小时航行45千米，上午8：00从甲港开出，下午3：00到达乙港：甲、乙两港相距多少千米．
<gadget id="calculator">45 * 7</gadget>
<output>315</output>

<result>315</result>