It used to take 5 minutes for Xiaochun to go from home to school, but now it only takes 4 minutes. What is the speed now?
小春从家到学校，原来用5分钟，现在只用4分钟，现在的速度是原来的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/4) / (1/5)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>