Jungkook and Seokjin went to the bookstore together and Jungkook bought 18 more books and Seokjin 11 more. The number of books they each had in the beginning were 28. How many fewer books does Seokjin have than Jungkook?
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))