A group of students set off from the school for camping training outside the school. Each branch walks 80 meters. After walking for 22 minutes, the school will send an emergency notice to the team leader. The correspondent starts from the school and catches up along the original road on a bicycle at a speed of 240 meters per minute. How long does it take for the correspondent to catch up with the team? (solution by equation)
一队学生从学校出发去校外进行野营训练，每分行80米，走了22分后，学校要将一紧急通知传给队长．通讯员从学校出发，骑自行车以每分240米的速度沿原路追上去．通讯员用多少时间追上队伍？(用方程解)
<gadget id="calculator">80 * 22</gadget>
<output>1_760</output>

<gadget id="calculator">240 - 80</gadget>
<output>160</output>

<gadget id="calculator">1_760 / 160</gadget>
<output>11</output>

<result>11</result>