Woocommerce record the cost of the order in the custom field

The price of the goods is indicated in dollars, and then the converter shows the client the price in the currency of his country
I need to know the cost of the order in dollars
There is always only one product in the order
The price of the item is already listed in dollars, but I need this price in dollars to be in the order field, then I can upload a list of orders for these fields and summarize