If 20 is the product of some number divided by 3 and 12 added, what is that number?
20 12 [OP_SUB] 3 [OP_MUL]
var_a = 20
var_b = 12
var_c = var_a - var_b
var_d = 3
var_e = var_c * var_d
print(int(var_e))