Use inductive reasoning to find a pattern for the answers. Then use the pattern to guess the result of the final calculation, and perform the operation to see if your answer is correct.
9 × 9 = 81
99 × 99 = 9,801
999 × 999 = 998,001
9,999 × 9,999 = 99,980,001
99,999 × 99,999 = ?
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