Namjoon ate 8 cookies, and when he gave 7 cookies to Hoseok, there are 9 cookies left. How many cookies did Namjoon have at first?
9 7 [OP_ADD] 8 [OP_ADD]
var_a = 9
var_b = 7
var_c = var_a + var_b
var_d = 8
var_e = var_c + var_d
print(int(var_e))