It is known that the result of the formula 9984-8-8-…-8 is a number with different digits. What is the maximum possible result?
已知算式9984-8-8-…-8的结果是一个各位数字互不相同的数，这个结果最大可能是多少？
<gadget id="calculator">11 * 8</gadget>
<output>88</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">9_984 - 88 - 24</gadget>
<output>9_872</output>

<result>9_872</result>