First lady Jill Biden racked up a huge bill as she traveled back and forth from France to Wilmington, Delaware, for her stepson’s trial, according to the Daily Mail. Over the last week, Biden flew from Washington, D.C., to Wilmington, Delaware, where Hunter Biden’s trial was taking place, before flying to Paris, France. Biden then flew back from Paris to Wilmington before turning around again and going back to Paris. The trip, a total of about 3,600 miles, is estimated to cost $345,400 in flight costs, the National Taxpayers Union Foundation told the Daily Mail. “In accordance with relevant re…