A troop marched in a 1,200-meter-long line. The correspondent at the end of the line had to contact the battalion commander at the front. He ran to catch up with the battalion commander in 6 minutes. Place waited 24 minutes. If he runs from the front to the end of the team, how many minutes will it take.
一支部队排成1200米长的队伍行军，在队尾的通讯员要与最前面的营长联系，他用6分钟时间跑步追上了营长，为了回到队尾，在追上营长的地方等待了24分钟．如果他从最前头跑步回到队尾，那么只需要多少分钟．
<gadget id="calculator">1_200 / 6</gadget>
<output>200</output>

<gadget id="calculator">1_200 / 24</gadget>
<output>50</output>

<gadget id="calculator">200 + 50</gadget>
<output>250</output>

<gadget id="calculator">250 + 50</gadget>
<output>300</output>

<gadget id="calculator">1_200 / 300</gadget>
<output>4</output>

<result>4</result>