What is the largest fraction in (2012/2011), (2013/2012), (2014/2013).
(2012/2011)，(2013/2012)，(2014/2013)中最大的分数是多少．
<gadget id="calculator">2_013 / 2_012</gadget>
<output>2_013/2_012 = around 1.000497</output>

<gadget id="calculator">(2_013/2_012) - 1</gadget>
<output>1/2_012 = around 0.000497</output>

<gadget id="calculator">2_012 / 2_011</gadget>
<output>2_012/2_011 = around 1.000497</output>

<gadget id="calculator">(2_012/2_011) - 1</gadget>
<output>1/2_011 = around 0.000497</output>

<gadget id="calculator">1 / (1/2_011)</gadget>
<output>2_011</output>

<gadget id="calculator">1 / (1/2_012) / 2_011</gadget>
<output>2_012/2_011 = around 1.000497</output>

<result>2_012/2_011 = around 1.000497</result>