A team is 1200 meters long and travels at a speed of 80 meters per minute. The liaison at the front of the line took 6 minutes to run to the end of the line to deliver the order. Ask the liaison officer how many meters per minute.
一支队伍1200米长，以每分钟80米的速度行进．队伍前面的联络员用6分钟的时间跑到队伍末尾传达命令．问联络员每分钟行多少米．
<gadget id="calculator">80 * 6</gadget>
<output>480</output>

<gadget id="calculator">1_200 - 480</gadget>
<output>720</output>

<gadget id="calculator">720 / 6</gadget>
<output>120</output>

<result>120</result>