60 seconds a minute
60 minutes an hour
24 hours a day
14 days up
That's 1209600 seconds. Now assuming the cost of The Gates was $27 million that works out to $22.32 per second that those gates were up. I sure hope you New Yorkers got your money's worth!
Update: ntang informs me that it as NOT tax payer money, but the artist's own money. Still...