Thanks for joining this thread, p-greatland.

I haven't seen any screenshots as you've mentioned. You may want to attach it so I can check the report. 

The Sales by Product/Service Detail report will show the total number of items on the report. I've attached a screenshot for your reference:

If you want to save your current customization, you can refer to this article: Memorize reports in QuickBooks Online.

Let me know if you have other questions. I'll be sure to get back to you, @p-greatland.