The father's age will double the daughter's age in 12 years and is now triple. How old is the daughter this year?
12 2 [OP_MUL] 12 [OP_SUB] 3 2 [OP_SUB] [OP_DIV]
var_a = 12
var_b = 2
var_c = var_a * var_b
var_d = 12
var_e = var_c - var_d
var_f = 3
var_g = 2
var_h = var_f - var_g
var_i = var_e / var_h
print(int(var_i))