ProgOb/03_4_Tabliczka2_WPF/MainWindow.xaml

<Window x:Class="_03_4_Tabliczka2_WPF.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:_03_4_Tabliczka2_WPF"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
  <Grid>
    <TextBox Text="{Binding Path=Col1, UpdateSourceTrigger=PropertyChanged}" HorizontalAlignment="Left" Height="35" Margin="170,28,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="113" FontFamily="Cascadia Mono ExtraLight" FontSize="16" />
    <TextBox Text="{Binding Path=Col2, UpdateSourceTrigger=PropertyChanged}" HorizontalAlignment="Left" Height="35" Margin="644,28,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="113" FontFamily="Cascadia Mono ExtraLight" FontSize="16"/>
    <TextBox Text="{Binding Path=Row1, UpdateSourceTrigger=PropertyChanged}" HorizontalAlignment="Left" Height="35" Margin="34,77,0,0" TextWrapping="Wrap"  VerticalAlignment="Top" Width="113" FontFamily="Cascadia Mono ExtraLight" FontSize="16"/>
    <TextBox Text="{Binding Path=Row2, UpdateSourceTrigger=PropertyChanged}" HorizontalAlignment="Left" Height="35" Margin="34,360,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="113" FontFamily="Cascadia Mono ExtraLight" FontSize="16"/>
    <Label  Content="{Binding Path=Wynik, UpdateSourceTrigger=PropertyChanged}" HorizontalAlignment="Left" Margin="214,108,0,0" VerticalAlignment="Top" FontFamily="Cascadia Mono ExtraLight" FontSize="16" Height="Auto" Width="Auto"/>
  </Grid>
</Window>