if we compare manga & anime I found that till alabasta arc we have around 200 chapters & 130 episodes,but now from punk hazard & until now(upto anime episodes) we have more episodes in anime than chapters in manga.
So seems like oda is making things more elaborate then it should be![Stick out tongue :p :p](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
![Stick out tongue :p :p](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
So seems like oda is making things more elaborate then it should be