It takes A 5 hours to complete a certain distance, and B’s speed is 20% faster than that of A. How many hours will it take for B to complete this distance.
走完一段路，甲需要5小时，乙的速度比甲快20%，乙走完这段路需几小时．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">20 / 100</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">(1/5) * (6/5)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">1 / (6/25)</gadget>
<output>25/6 = around 4.166667</output>

<result>25/6 = around 4.166667</result>