 
 <prompt> ```Paul dey for train station dey wait for im train. E no sabi how long e go wait, but e sabi say na di fourth train wey dey come na im e go enter. Di first train dey come in 10 minutes, and dis train go stay for station for 20 minutes. Di second train go come half hour after di first train waka, and dis second train go stay for station for quarter of di time wey di first train stay for station. Di third train go come one hour after di second train waka, and dis third train go waka immediately after e land. Di fourth train go land 20 minutes after di third train waka, and na dis train Paul go enter. For total, how many minutes Paul go wait for im train? Write python script. Only function.``` <response>: def solution():
    """Paul dey for train station dey wait for im train. E no sure how long e go wait, but e sabi say di fourth train wey dey schedule to arrive for di station na di one wey e go enter. Di first train dey schedule to arrive for 10 minutes, and dis train go stay for station for 20 minutes. Di second train go arrive half hour after di first train commot for station, and dis second train go stay for station for quarter of di time wey di first train stay for station. Di third train go arrive one hour after di second train commot for station, and dis third train go commot immediately after e arrive. Di fourth train go arrive 20 minutes after di third train commot, and na dis train Paul go enter. For total, how long, in minutes, Paul go wait for im train?"""
    first_train_arrival = 10
    first_train_stay = 20
    second_train_arrival = first_train_arrival + first_train_stay + 30
    second_train_stay = first_train_stay / 4
    third_train_arrival = second_train_arrival + second_train_stay + 60
    third_train_stay = 0
    fourth_train_arrival = third_train_arrival + third_train_stay + 20
    result = fourth_train_arrival
    return result 