The two walked towards each other at the same time from two places 6,400 meters apart. A person rides a motorcycle at 600 meters per minute, and another person rides a bicycle at 200 meters per minute. After a few minutes, the two meet?
两人同时从相距6400米的两地相向而行．一个人骑摩托车每分钟行600米，另一个人骑自行车每分钟行200米，经过几分钟两人相遇？
<gadget id="calculator">600 + 200</gadget>
<output>800</output>

<gadget id="calculator">6_400 / 800</gadget>
<output>8</output>

<result>8</result>