shopify debut theme How to put the quantity selector after the product options

Store Design
1

I am used to putting multiple attributes of an item in one option

Now I want to put the “quantity selector” in the empty space next to the options, please tell me how to do it.

bandaotiehe_0-1638413071869.png
bandaotiehe_0-1638413071869.png716×538 222 KB

2

This is my website page:

https://asoalley.com/products/kardeer%E2%84%A2-cosmetics-flawless-eyeliner-tool