522 members of the Armed Police Squadron lined up in two columns and ran across a 1580-meter-long bridge. It is known that the distance between the front and back of the team is 2 meters, and the speed is 150 meters per minute. how many minutes.
武警中队522人排成两路纵队跑步通过一座长1580米的大桥，已知队伍前后两人相距2米，行进速度每分钟150米，求队伍第一排上桥到最后一排离桥共用了多少分钟．
<gadget id="calculator">522 / 2</gadget>
<output>261</output>

<gadget id="calculator">261 - 1</gadget>
<output>260</output>

<gadget id="calculator">260 * 2</gadget>
<output>520</output>

<gadget id="calculator">1_580 + 520</gadget>
<output>2_100</output>

<gadget id="calculator">2_100 / 150</gadget>
<output>14</output>

<result>14</result>