String interpolation

You have used the concept of string interpolation while writing the C# code snippet given below.

const int FieldWidthRightAligned = 20; 
Console.WriteLine($"{Math.PI,FieldWidthRightAligned:F3}");

In this context, which of these is the correct output of the code snippet?

Options

1. 3.142
2. 3.14
3. 3.1
4. 3.1415