 
 <prompt> Tom ship fit waka 10 miles per hour. E dey sail from 1 to 4 PM. E come waka back at a rate of 6 mph. How long e go take am to reach back? Think and write for python. <response>: ```
def solution():
    """Tom's ship fit waka 10 miles per hour. E dey sail from 1 to 4 PM. E come waka back at a rate of 6 mph. How long e go take am to waka back?"""
    miles_per_hour_out = 10
    miles_per_hour_back = 6
    hours_out = 4 - 1
    miles_out = miles_per_hour_out * hours_out
    miles_back = miles_out
    hours_back = miles_back / miles_per_hour_back
    result = hours_back
    return result
``` 