Students attended the event held in the school auditorium. When every nine people sat on per bench, there was one student who could not sit down. So we made every ten people sit on per bench, and on each bench, 10 people sat, except one where no one sat. Find how many students attend the event.
1 10 [OP_ADD] 10 9 [OP_SUB] [OP_DIV] 9 [OP_MUL] 1 [OP_ADD]
var_a = 1
var_b = 10
var_c = var_a + var_b
var_d = 10
var_e = 9
var_f = var_d - var_e
var_g = var_c / var_f
var_h = 9
var_i = var_g * var_h
var_j = 1
var_k = var_i + var_j
print(int(var_k))