Xiaohong walks 0.8 kilometers in 0.5 hours, how many hours does it take her to walk 1 kilometer?
小红0.5小时步行0.8千米，她步行1千米要多少小时．
<gadget id="calculator">0.5 / 0.8</gadget>
<output>0.625</output>

<result>0.625</result>