Junjun went to climb the mountain on weekends, climbing 25 meters per minute when going up the mountain, and climbed to the top of the mountain in 24 minutes. Later, he went down the mountain by the same route, and it only took 20 minutes. How many meters did he travel per branch when he went down the mountain?
军军周末去爬山，上山时每分爬25米，24分爬上山顶．后来他按原路下山，只花了20分，他下山时每分行多少米？
<gadget id="calculator">24 / 20</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">25 * (6/5)</gadget>
<output>30</output>

<result>30</result>