Teacher Wang rides a bicycle from home to school, traveling an average of 12 kilometers per hour, and arrives in 0.25 hours. How long would it take you to walk from home to school if you walked 5 kilometers per hour on average?
王老师骑自行车从家到学校，平均每小时行12千米，0.25小时到达．如果改为步行，平均每小时行5千米，从家到学校需走多长时间？
<gadget id="calculator">12 * 0.25</gadget>
<output>3</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>