There are 84 girls in the sixth grade of experimental primary school, and the number of boys is 1 / 4 more than that of girls. The number of sixth grade students accounts for 7 / 36 of the total number of students in the school. How many students are there in the school?

There are 84 girls in the sixth grade of experimental primary school, and the number of boys is 1 / 4 more than that of girls. The number of sixth grade students accounts for 7 / 36 of the total number of students in the school. How many students are there in the school?

(84 + 84 * (1 + 4 / 1)) / 7 / 36 = 189 / 7 / 36 = 189 * 36 / 7 = 972