Zhang Ming and Li Li go to school at 7:00 in the morning. Zhang travels more (1/4) to school than Li does, and Li takes less time (1/9) to go to school than Zhang. How many times does Li's speed be Zhang's? ．
张明和李莉早上7时出发去学校，张去学校的路程比李多(1/4)，而李去学校的时间比张少(1/9)，那么李的速度是张速度的多少倍．
<gadget id="calculator">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 / (8/9)</gadget>
<output>9/8 = around 1.125</output>

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

<gadget id="calculator">(9/8) / (5/4)</gadget>
<output>9/10 = around 0.9</output>

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