How to validate that number of rows in the table should match the number of additions performed By Clicking ADD button?

How to validate that number of rows in the table should match the number of additions performed By Clicking ADD button?

Initially it will be like this...

enter image description here

Now, need to add some data as rows of this table..

enter image description here

Now, rows added.. how can I validate that how many rows are added by clicking ADD button.

Thank you..!

${Length} | get element count | {Locator}

Log To Console | ${Length}