How much is 1:1 in 2009 multiplied by 1:1 in 2008 and 2009

Original formula = (1 + 1 / 2009) (2008 + 1 / 2009) = 2008 + 1 / 2009 + 2008 / 2009 + (1 / 2009) ^ 2
=2009 and (1 / 2009) ^ 2

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