We have some problems with XP calculations:
If a party of 4 level 10 characters beats a group of 8 ghouls (1 ghoul = CR1), do the PC get 0 XP (since 8 * 0 ==> 0) or do the PC get XP for beating a CR7 encounter (according to the encounter level; DM's guide about fighting many opponents)
If a party of 4 level 10 characters beats a group of 8 ghouls (1 ghoul = CR1), do the PC get 0 XP (since 8 * 0 ==> 0) or do the PC get XP for beating a CR7 encounter (according to the encounter level; DM's guide about fighting many opponents)