nomor 8 tolong dibantu yah kak...

(12 x 9) + 3 = 111
(123 x 9) + 4 = 1.111
(1.234 x 9) + 5 = 11.111
(12.345 x 9) + 6 = 111.111
(123.456 x 9) + 7 = 1.111.111