 
 <prompt> Jodi and Vance dey do research for one deserted island and dem get to stay for some weeks to fit carry out their research. For their first trip, dem stay for three weeks for the island. Dem spend two weeks pass on their second trip pass wetin dem spend for their first trip. Dem spend double the number of weeks on their last trip pass wetin dem spend on their second trip. Calculate the total number of days dem spend for the island for all the trips. <response>: If dem spend two more weeks for their second research expedition pass wetin dem spend for the first week, dem spend 2+3 = 5 weeks for the island.
For the two expeditions, dem stay for the island for total of 5+3 = 8 weeks.
For their third expedition, dem spend twice as many weeks as dem spend for the second week for the island, wey be 2*5 = 10 weeks.
For all three expeditions, dem stay for the island for 10+8 = 18 weeks.
Since one week get seven days, dem spend 18*7 = 126 days for the island.

The final answer: 126. 