There were 55 cars in the parking lot. After 16 cars went out, another 19 came in. How many more cars are there in the parking lot?
55 16 [OP_SUB] 19 [OP_ADD] 55 [OP_SUB]
var_a = 55
var_b = 16
var_c = var_a - var_b
var_d = 19
var_e = var_c + var_d
var_f = 55
var_g = var_e - var_f
print(int(var_g))