Known: 23! =\overline{258D20C67388849766B00}.\overline{ABC}*How much is D.
已知：23！=\overline{258D20C67388849766B00}.\overline{ABC}*D多少．
<gadget id="calculator">401 * 5</gadget>
<output>2_005</output>

<result>2_005</result>