Imports System
Module Program
Public Function ToReadableWeeksDays(totalDays As Integer) As String
Dim weeks As Integer = totalDays \ 7
Dim days As Integer = totalDays Mod 7
Return $"{weeks} week{If(weeks = 1, "", "s")} and {days} day{If(days = 1, "", "s")}"
End Function
Sub Main()
Dim days As Integer = 26
Console.WriteLine(ToReadableWeeksDays(days))
End Sub
End Module
' run:
'
' 3 weeks and 5 days
'