97.98
$106.95
1 GBP = 1.42 USD => 83 GBP = 117.86 USD
One British pound is 1.62659 American dollars. So the answer is 447.313 American dollars. (As of 3/4/11)
Look on a currency converter!
The Australian currency changed to a decimal basis, and at this time, the name of the units were changed to dollars and cents.
Tax Trouble for the Osbournes
How to Convert Currency Using Google
How to Perform the Dollar Drop Trick
How to Make an Origami Heart using a Dollar