2003-0.98-9.98-99.98-999.98
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2003-0.98-9.98-99.98-999.98

=2003-(1-0.02)-(10-0.02)-(100-0.02)-(1000-0.02)

=2003-(1+10+100+1000)-0.08

=2003-1111-0.08

=892-0.08

=891.92