Puzzle 6: The submarine riddle

1. What are the codes in the submarine Riddles?
click here  :https://youtu.be/VNzV4zcB7nY

"Submarine Riddle" — it’s a logic puzzle about sum and product.
From the video + transcript, here’s the setup:
The boss picked a set of distinct positive integers, all < 7, with at least 2 numbers
A gets the SUM. B gets the PRODUCT.
A: "I don't know whether you know my number.
"B: "I know your number, and now I know you know my number too.
"We need A’s number and B’s number to enter the override.


2. Solve the last equation?

3.  Who is the wife?