How many times do you play 8 and 4?

Football is 8 in, 4 in and 4 in. There are 64 matches in the Football World Cup, including 48 group matches, 16 into 8, 8 into 4, 2 semi-finals, champion 1, third place 1. In each World Cup, according to the number of places allocated by each continent, teams entering the top 32 of the World Cup are produced through the qualifiers of each continent. According to the ranking, the top 32 teams are divided into four grades, with 8 teams in each grade and lots drawn for each grade.