 
 <prompt> E go take Derek 9 minutes waka one mile if e no dey waka with im brother. If e gats carry im brother, e go take am 12 minutes waka one mile. How many minutes go add join if e wan waka 20 miles with im brother? <response>: ```Alone e go take am 9*20=180 minutes
With im brother, e go take am 12*20=240 minutes
240-180=60 more minutes

The answer go be 60.``` 