How to calculate if you can score 3 goals if you buy a small 7 on penalty in the World Cup?

One of them is one. There were five goals in the penalty shoot-out in the World Cup. The way of penalty shootout in the World Cup is to score goals according to the referee's choice, and determine a team to play first by drawing lots. Both teams have to complete five points, and the one with more goals wins the penalty shootout. If the two sides still fail to win or lose after playing for five times, the sixth penalty, the seventh penalty and the eighth penalty will be adopted. Until the two teams come to the final result.