source: Option Explicit
  Dim r
  r = 7 * 11
  MsgBox "Test #77 - 7*11= " & r
target: Add-Type -AssemblyName Microsoft.VisualBasic
  Option Explicit
  
  $r = 7 * 11
  [Microsoft.VisualBasic.Interaction]::MsgBox "Test #77 - 7*11= " + $r