There are 80 red balls and 40 blue balls. There are 12 fewer red balls than blue and white balls combined. How many white balls are there?
80 12 [OP_ADD] 40 [OP_SUB]
var_a = 80
var_b = 12
var_c = var_a + var_b
var_d = 40
var_e = var_c - var_d
print(int(var_e))