A person goes up the mountain to play, and it takes 120 minutes to go up the mountain, but goes down the mountain along the same road, and the speed increases by 25%, how many minutes will it take to go down the mountain?
某人上山游玩，上山用了120分钟，沿原路下山，速度提高25%，下山将用多少分钟．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 * (4/5)</gadget>
<output>96</output>

<result>96</result>