Correct option entries for products

-- url of the page with the problem -- : weinshop.albrecht-dwv.ch
-- HikaShop version -- : 4.3.0 Essential
-- Joomla version -- : 3.9.21
-- PHP version -- : 7.4.2
-- Browser(s) name and version -- : Chrome | Version 85.0.4183.121
-- Error-message(debug-mod must be tuned on) -- : Hello Wish team,
Got no error message, because the wine shop works well so far. I was able to set up and create the shop almost entirely according to customer requirements.
Question: Where or how can or must I best enter it so that the selected options (e.g. option "In a 3-piece gift box (+ 6.95 CHF)" are correctly multiplied for more than one item according to the desired number of items? the packaging per piece ...
Just as the article can currently be ordered, the options apply to one piece each.

Hello Wish team,
Got no error message, because the wine shop works well so far. I was able to set up and create the shop almost entirely according to customer requirements.
Question: Where or how can or must I best enter it so that the selected options (e.g. option "In a 3-piece gift box (+ 6.95 CHF)" are correctly multiplied for more than one item according to the desired number of items? the packaging per piece ...
Just as the article can currently be ordered, the options apply to one piece each.