From point A to point B, A needs 4 hours to complete the journey, and B needs 5 hours to complete the journey. The speed of A is the same as that of B. A takes less time than B ((())/(())).
从A地到B地，甲需4小时行完全程，乙需5小时行完全程，甲的速度是乙的多少，甲用的时间比乙少((())/(()))．
<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>