Xiaoqiang walks (4/5) kilometers in (1/5) hour, how many hours does it take him to walk 1 kilometer? What is the correct column
小强(1/5)小时走(4/5)千米，他走1千米要多少小时？正确列式是多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">(1/5) / (4/5)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>