On Iberlibro.com, find the lowest total price, including shipping to the United States, for a new, hardcover, first edition copy of 'Harry Potter y la piedra filosofal' in Spanish. Provide the total price in EUR and the ISBN-13 of that specific listing.
Navigate to iberlibro.com. Search for 'Harry Potter y la piedra filosofal'. Apply the 'Tapa dura' (Hardcover) filter. Apply the 'Nuevo' (New) condition filter. Apply the 'Primera edición' (First edition) filter. Filter results by 'Idioma: Español' (Spanish). Sort the results by 'Precio más bajo' (Lowest Price). Examine the top listings, calculating the total price (item price + shipping to the United States) for each. Identify the listing with the lowest total price. Extract the lowest total price in EUR and the ISBN-13 of that listing.
All specified filters (Hardcover, New, First Edition, Spanish language) are correctly applied. Results are sorted by 'Precio más bajo'. The agent correctly identifies the lowest total price (item price + shipping to the United States) among the filtered and sorted results. The agent correctly extracts the ISBN-13 of the identified lowest-priced listing. State the lowest total price in EUR and the ISBN-13.