Does anyone happen to know what 24,71 € is in US money? I want to order something online but, I don't understand if it doesn't read in $ thank you. :)

The Euro is currently $1.35. Here's a currency converter:

Currency Converter - Yahoo! Finance

Assuming you charge the item on a credit card, the actual amount that they bill you in US$ will depend upon the exchange rate that the credit card company uses when the charge is booked, so you won't really know how much this will cost you until your bill arrives. But the above will give you a reasonably good idea.