The distance between A and B is 343 meters. Li Ming and Wang Hong start from A and B at the same time and walk toward each other. Li Ming traveled 51 meters per minute, and Wang Hong traveled 47 meters per minute. After how many minutes did the two meet?
甲乙两地相距343米，李明和王宏同时从甲乙两地出发相向而行．李明每分钟行51米，王宏每分钟行47米．经过几分钟两人相遇？
<gadget id="calculator">51 + 47</gadget>
<output>98</output>

<gadget id="calculator">343 / 98</gadget>
<output>7/2 = around 3.5</output>

<result>7/2 = around 3.5</result>