A speedboat and a passenger ship sail towards each other from port A and port B respectively at the same time. The passenger ship travels 24 km per hour, and the speed boat travels 68 km per hour. After 4 o'clock, the two ships meet. What is the distance in km between A and B?
一艘快艇和一艘客船分别从甲、乙两港同时相向而行，客船每小时行24km，快艇每小时行68km，经过4时两船相遇．甲、乙两港相距多少km？
<gadget id="calculator">24 + 68</gadget>
<output>92</output>

<gadget id="calculator">92 * 4</gadget>
<output>368</output>

<result>368</result>