At least forty two? Cole's eyes widen because that is a lot more than he was expecting. Then again, he didn't know what he was expecting to begin with. (He doesn't know what to expect at ALL here, something that's nice but something that's also a bit worrying.)

"It must be nice to have that many siblings. Never quiet, always someone, plenty of people to talk to and talk with."

Guess who has no idea how robots work? This guy. Obviously 9S is talking about his family!