A city held a long-distance running event of "10,000 people bid for the Olympics", and the long-distance running team moved forward at a speed of 6 kilometers per hour. At the beginning of the long-distance running, two TV reporters, Xiao Zhang and Xiao Wang, marched from the front and the end of the line to the middle of the team at the same time, reporting the event. Both Xiao Zhang and Xiao Wang travel 10 kilometers per hour on motorcycles, and they meet at a distance of 900 meters from the midpoint of the team. How long is the long-distance running team?
某城市举行"万人申奥"长跑活动，长跑队伍以每小时6千米的速度前进．长跑开始时，两名电视记者小张和小王分别从排头、排尾同时向队伍中间行进，报导这次活动．小张和小王都乘摩托车每小时行10千米，他们在离队伍中点900米处相遇．求长跑队伍有多长？
<gadget id="calculator">900 / 1_000 / 6</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">10 + 10</gadget>
<output>20</output>

<gadget id="calculator">(3/20) * 20</gadget>
<output>3</output>

<result>3</result>