Multiply $(x^6 -19x^3 + 361) (x^3+19)$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Multiply $(x^6 -19x^3 + 361) (x^3+19)$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
x^9+6859
Multiply $(x^6 -19x^3 + 361) (x^3+19)$.
train