how to update table variables depending on the data entry/input and submit buttom

Q1. how to get my output table interactive with the input numbers?

It's not totally clear to me what you're asking for here. Check out the shiny gallery >> Widgets for a number of examples of how to connect interactivity between your inputs and a table: Shiny for R Gallery

Q2. how to create output table in (T2) it is giving me error and I couldnt solve the problem

Right now your example isn't really in a form folks can work with.

I'd encourage you to follow the guide for creating minimal reproducible examples with shiny here: Shiny debugging and reprex guide

It'll maximize the chances other people willing to help here can get your code up and running, and help you diagnose your issues.

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