Seokjin's classroom has desks arranged in a square shape. When the number of desks in each row is the same, Seokjin's seat is 3rd from the front, 5th from the back, 4th from the right, and 2nd from the left. Find the total number of desks in Seokjin's classroom.
3 5 [OP_ADD] 1 [OP_SUB] 4 2 [OP_ADD] 1 [OP_SUB] [OP_MUL]
var_a = 3
var_b = 5
var_c = var_a + var_b
var_d = 1
var_e = var_c - var_d
var_f = 4
var_g = 2
var_h = var_f + var_g
var_i = 1
var_j = var_h - var_i
var_k = var_e * var_j
print(int(var_k))