The extension allows you to add calculation even between tables by naming them in the comment:

    <!-- table1 -->
    |    Date    | Amount |
    | ---------- | ------ |
    | 2024-10-01 | 1      |
    | 2023-09-01 | 2      |


    |       |            Amount            |
    | ----- | ---------------------------- |
    | Last  | [1](#table1!B1)              |
    | Total | [3](#SUM(table1!B:table1!B)) |

> gSheets

I am personally not interested in anything beyond my computer.