72 students in total are participating in after-school activities. Of these, one-fourth are taking the after-school English class, and one-third of the students taking the after-school English classes are 6th-grade students. How many 6th-grade students are taking the after-school English class?
72 1 4 [OP_DIV] [OP_MUL] 1 3 [OP_DIV] [OP_MUL]
var_a = 72
var_b = 1
var_c = 4
var_d = var_b / var_c
var_e = var_a * var_d
var_f = 1
var_g = 3
var_h = var_f / var_g
var_i = var_e * var_h
print(int(var_i))