How in WPF to make it so that the numbers typed from the buttons are displayed in the result line?

Question

WPF

I want a calculator like in a standard Windows application. That is, I want to make it so that when you click on the buttons with numbers, they are displayed in the resulting line. How to do it?

spoiler

Answer 1

Look, here you will find a solution)
https://metanit.com/sharp/wpf/1.2.php