Xiao Ming went to climb a mountain, it took 40 minutes to go up the mountain, and the speed increased (1/4) when going down the mountain, how many minutes did it take to go down the mountain?
小明去登山，上山用了40分钟，下山时速度加快了(1/4)，下山用了多少分．
<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">1 / 4</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">(1/40) * (5/4)</gadget>
<output>1/32 = around 0.03125</output>

<gadget id="calculator">1 / (1/32)</gadget>
<output>32</output>

<result>32</result>