A man sells different brands of an items. 1/9 1 / 9 of the items he has in his shop are from Brand A, 5/8 5 / 8 of the remainder are from Brand B and the re...

A man sells different brands of an items. 1/9 ${}^1{/}_9$ of the items he has in his shop are from Brand A, 5/8 ${}^5{/}_8$ of the remainder are from Brand B and the rest are from Brand C. If the total number of Brand C items in the man's shop is 81, how many more Brand B items than Brand C does the shop has?

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