A and B travel from point A to point B. A's speed is faster than B's (1/5). It is known that it takes 30 minutes for B to travel this distance, and how many minutes does it take for A to travel this distance.
甲、乙两人从A地到B地，甲的速度比乙的速度快(1/5)，已知乙行这段路用30分，甲行这段路要用多少分．
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(1/30) * (6/5)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">1 / (1/25)</gadget>
<output>25</output>

<result>25</result>