Jungkook and Seokjin each had 28 books. If Jungkook bought 18 more books and Seokjin bought 11 more books, how many more books does Jungkook have than Seokjin?
28 18 [OP_ADD] 28 11 [OP_ADD] [OP_SUB]
var_a = 28
var_b = 18
var_c = var_a + var_b
var_d = 28
var_e = 11
var_f = var_d + var_e
var_g = var_c - var_f
print(int(var_g))