Sum price in subtitle (list view image and text)

My products on google sheet, when web1.get, add product to list view (quantity products is random)
When list view long click remove “get positoin”
How to calculate the price of the remaining products (prices are in the subtitle column)
When i remove product, it dont calculate, it just show “get position”
Thank you

Post a test aia

Data used in example

ProductID_1, Name_1,100\n ProductID_2, Name_2,200\n ProductID_3, Name_3,300\n
1 Like

Thank you very much