There is no requrment to know the values!

Logic Level 1

ABCD×9DCBA \begin{array}{ccccc} & A & B & C & D\\ \times & & & & 9\\ \hline & D & C & B& A \end{array}

Let A,B,CA,B,C and DD be non-negative single digit integers satisfying the cryptogram above with A,D0A,D\ne0. Find the value of A×B×C×DA\times B\times C \times D.

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