Qiangqiang walks 4.8 kilometers per hour to the street park from school, and it takes 0.5 hours to get there; if he only walks 3.2 kilometers per hour, how many hours does it take to get there?
强强从学校去街心公园，每小时走4.8千米，0.5小时可以到达；如果每小时只走3.2千米，要多少小时才能到达？
<gadget id="calculator">0.5 / 3.2</gadget>
<output>0.15625</output>

<gadget id="calculator">4.8 * 0.15625</gadget>
<output>0.75</output>

<result>0.75</result>