If (2012/2013)*2014=(2012/2013)+x is established, then x=how much.
如果(2012/2013)*2014=(2012/2013)+x成立，则x=多少．
<gadget id="calculator">2_012 / 2_013</gadget>
<output>2_012/2_013 = around 0.999503</output>

<gadget id="calculator">(2_012/2_013) * 2_014</gadget>
<output>4_052_168/2_013 = around 2_012.999503</output>

<gadget id="calculator">(4_052_168/2_013) - (2_012/2_013)</gadget>
<output>2_012</output>

<result>2_012</result>