For the children’s day celebration, children are to perform mass drills in the presence of the President of the country. They stand 9952584 in a row and there are 7 rows each for 5 different School…👇

For the children’s day celebration, children are to perform mass drills in the presence of the President of the country. They stand 9952584 in a row and there are 7 rows each for 5 different Schools. How many children can there be in the drill?