Xiao Li travels more (1/4) to school than Xiao Wang, and Xiao Wang takes less time to go to school than Xiao Li (1/9). Xiao Wang's speed is Xiao Li's ((())/(() )).
小李去学校的路程比小王多(1/4)，而小王去学校的时间比小李少(1/9)，小王的速度是小李的((())/(()))．
<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<gadget id="calculator">1 / 1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">1 / 1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">1 / 1 / (8/9)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">(5/4) / (9/8)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">1 / 1 / (10/9)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>