Yoongi's school is preparing for a school performance. How many possible cases are there when there are 8 classes to set the order of the school play?
8 8 [OP_PERM]
var_a = 8
var_b = 8
var_c = 1
var_a = int(var_a)
var_b = int(var_b)
for i, elem in enumerate(range(var_b)):
    var_c = var_c * (var_a-i)
print(int(var_c))