How did Dave Meyer figure the NOI?

[Ifegwu Sampson Ifegwu]

https://www.youtube.com/watch?v=DHsbGR4zg5Q

If you watch this video and skip to about 11 minutes in. How in the world does he get the numbers for that NOI. Can someone please explain to me if this calculator is broken, or am I too new to real-estate. I've spent all night reading and watching videos on how you accurately calculate NOI and I can't find why his number is that