A city held a long-distance running event. The long-distance running team moved forward at a speed of 6 kilometers per hour. When the long-distance running started, two reporters, Xiao Zhang and Xiao Wang, marched from the front and rear of the team to the middle of the team to report and interview. Xiao Zhang and Xiao Wang are both riding motorcycles, traveling 10 kilometers per hour, and they meet at a distance of 900 meters from the midpoint of the team. How long is the running team?
某市举行长跑活动，长跑队伍以每小时6千米的速度前进，长跑开始时，两名记者小张和小王分别从排头、排尾同时向队伍中间行进，进行报道采访活动．小张、小王都骑摩托车，每小时行10千米，他们在离队伍中点900米处相遇．长跑队伍有多长？
<gadget id="calculator">0.9 / 6</gadget>
<output>0.15</output>

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

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">0.15 / (1/20)</gadget>
<output>3</output>

<result>3</result>