<StackLayout VerticalOptions="Center">
        <StackLayout.BindingContext>
             <local:MainViewModel />
        </StackLayout.BindingContext>
        <Entry AutomationId="FirstNumberEntry" Placeholder="0" Keyboard="Numeric" Text="{Binding FirstNumber}" WidthRequest="100" HorizontalOptions="CenterAndExpand"/> <Label Text="*" HorizontalOptions="Center"/>
        <Entry AutomationId="SecondNumberEntry" Placeholder="0" Keyboard="Numeric" Text="{Binding SecondNumber}" WidthRequest="100" HorizontalOptions="CenterAndExpand"/>
        <Label Text="Result:" FontSize="Medium" HorizontalOptions="CenterAndExpand"/>
        <Label AutomationId="ResultLabel" Text="{Binding Result}" FontSize="Medium" HorizontalOptions="CenterAndExpand"/>
    </StackLayout>