There exist constants $A,$ $B,$ and $C$ so that
\[\frac{x + 2}{x(x + 1)(x + 3)} = \frac{A}{x} + \frac{B}{x + 1} + \frac{C}{x + 3}.\]Find the product $ABC.$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
There exist constants $A,$ $B,$ and $C$ so that
\[\frac{x + 2}{x(x + 1)(x + 3)} = \frac{A}{x} + \frac{B}{x + 1} + \frac{C}{x + 3}.\]Find the product $ABC.$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac{1}{18}
There exist constants $A,$ $B,$ and $C$ so that
\[\frac{x + 2}{x(x + 1)(x + 3)} = \frac{A}{x} + \frac{B}{x + 1} + \frac{C}{x + 3}.\]Find the product $ABC.$
train