That number is the line for over/under bets, called the total. A bet on the over means you think both teams will combine to score more goals, points, or runs than the total listed. Conversely, an under bet means you think there will be less than the total listed. It's that simple.

You can get a booking code in a number of ways.

1
Pick your selections and tap the 'sharing icon' in the betslip. ...
2
After placing a bet - this will give you a booking code to share with friends to place the same bet.
3
In your open bets - you can share the booking code in your open bets.