If there are 8 2-won bills and 2 1-won bills, how much is the total?
2 8 [OP_MUL] 1 2 [OP_MUL] [OP_ADD]
var_a = 2
var_b = 8
var_c = var_a * var_b
var_d = 1
var_e = 2
var_f = var_d * var_e
var_g = var_c + var_f
print(int(var_g))