 
 <prompt> Jean na-agba Mark nke abụọ. N'otu a na-agba Mark bụ 5 maka nke Jan's age. Ọ bụghị ọ bụla Jan bụ 30 bụghị ọ bụla Jean? Mepụta Python nkewa. <response>: def solution():
    """Jean bụ n'ime abụọ ụbọchị nke Mark. N'abụọ ụbọchị gara aga Mark bụ 5 ụbọchị nke Jan. Ọ bụghị nke Jan bụ 30 bụ ihe gbasara ihe gbasara Jean?"""
    jean_age_now = 30 + 2
    jean_age_then = jean_age_now - 2
    mark_age_now = jean_age_now - 2
    mark_age_then = mark_age_now - 2
    jan_age_now = 30
    jan_age_then = jan_age_now - 2
    mark_age_diff = mark_age_then - jan_age_then / 2
    mark_age_diff_should_be = 5
    mark_age_then = mark_age_then - (mark_age_diff - mark_age_diff_should_be)
    jean_age_then = mark_age_then + 2
    jean_age_now = jean_age_then + 2
    result = jean_age_now
    return result 