(1-(1/(2**2)))*(1-(1/(3**2)))*(1-(1/(4**2)))*...*(1- (1/(2008**2)))
(1-(1/(2**2)))*(1-(1/(3**2)))*(1-(1/(4**2)))*…*(1-(1/(2008**2)))
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2_009 / 2_008</gadget>
<output>2_009/2_008 = around 1.000498</output>

<gadget id="calculator">(1/2) * (2_009/2_008)</gadget>
<output>2_009/4_016 = around 0.500249</output>

<result>2_009/4_016 = around 0.500249</result>