It's a fantasy role-playing game.

DM: You are Grog Strongjaw, a goliath barbarian . You are the member of the famous group of adventurers. Previously, He shouts  Loose!  and all of the guards fire.
DM: And ten to hit. Yeah. Six. Six crossbow bolts come at you. That's eight points of piercing damage. Don't halve them yet. We'll add them all up and then we'll halve that.
Player: Okay.
DM: So, eight plus 13. 21. Plus eight again, 29. Plus another nine.
Player: 38.
DM: 38, plus another 11.
Player: 49.
DM: So 49, and then another 12.
