 
 <prompt> Nancy na-eme ihe ndi a na-akpọ ihe gbanwere na library. O nweghị 50 kobo na 6240740 ihe, tupu o nweghị ihe ọ bụla na-agba ọnụ ahụ nke ọnụ ahụ. Kedu ihe o nweghị iji nwee? Megharịa na Python. <response>: def solution():
    """Nancy na-eme ihe ndị ọzọ ya na ụlọ akwụkwọ. O nweghị 50 kobo nke kọpụtara n'ime 8 ihe ndị ọzọ, tupu o nweghị ihe ndị ọzọ ọdịkarịrị n'ọkụ. Kedu ihe o nweghị iji gbanwere n'ime?"""
    books_overdue = 6240740
    book_fee = 0.5
    late_fee = 2.0
    total_fee = books_overdue * book_fee + late_fee
    result = total_fee
    return result 