The West Lake is 15 kilometers a week. Hanghang and Tiantian start from the Su Causeway of the West Lake at the same time and walk in the opposite direction. Walk at a speed of m/h, rest for 10 minutes every 50 minutes, how long did it take for the two to meet for the first time?
西湖一周有15公里，航航和天天从西湖的苏堤同时出发反向而行，航航以4千米/时的速度行走，并且每走一小时后都要休息5分钟，天天以6千米/时的速度行走，每走50分钟就休息10分钟，两人从出发到第一次相遇用了多长时间？
<gadget id="calculator">65 + 33</gadget>
<output>98</output>

<result>98</result>