In a two-digit natural number whose tens digit is 3, when the tens and ones digits are switched, the first number is the same as adding 9 to the switched number. What is the original number?
3 10 [OP_MUL] 9 [OP_SUB] 3 [OP_SUB] 10 1 [OP_SUB] [OP_DIV] 3 10 [OP_MUL] [OP_ADD]
var_a = 3
var_b = 10
var_c = var_a * var_b
var_d = 9
var_e = var_c - var_d
var_f = 3
var_g = var_e - var_f
var_h = 10
var_i = 1
var_j = var_h - var_i
var_k = var_g / var_j
var_l = 3
var_m = 10
var_n = var_l * var_m
var_o = var_k + var_n
print(int(var_o))