A travels more distance than B travels (1/5), and A takes less time than B (1/4), and A's speed is equal to B's speed.
甲走的路程比乙走的路程多(1/5)，而甲用的时间比乙少(1/4)，甲的速度相当于乙的速度的多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1 / 4</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">(6/5) / (3/4)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<gadget id="calculator">(8/5) / 1</gadget>
<output>8/5 = around 1.6</output>

<result>8/5 = around 1.6</result>