It takes 20 minutes for Xiaoshan to go to the experimental primary school from home by bicycle, and 8 minutes if she takes the school bus from home. One day, after Xiaoshan set off from home by bicycle for 5 minutes, the school bus happened to pass by due to a breakdown of the car, so she immediately changed to the school bus and asked how long it would take to reach the school?
小珊骑自行车从家去实验小学要20分钟，如果她从家乘校车要8分钟．一天小珊从家骑自行车出发5分钟后，因车有故障，正好校车经过，立即改乘校车，问还要多长时间才能到达学校？
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) * 5</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(3/4) / (1/8)</gadget>
<output>6</output>

<result>6</result>