There is no requrment to know the values!

Logic Level 2

\[ \begin{array}{ccccc} & A & B & C & D\\ \times & & & & 9\\ \hline & D & C & B& A \end{array} \]

Let \(A,B,C\) and \(D\) be non-negative single digit integers satisfying the cryptogram above with \(A,D\ne0\). Find the value of \(A\times B\times C \times D\).

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