Lmao,
Sengoku + Garp beat Shiki.
Rayleigh + Scopper + Roger pirates, couldn't beat Oden + Whitebeard pirates for 3 days.
So can you do the math here? It's really easy. People say Whitebeard and Roger are equals based on 3 days fight, but their crews were not equal based on the same fight? LOL.