The Following Sample of Code Contains Errors

The following sample of code contains errors. Rewrite the incorrect statements to correct all errors.
-' calculate and return the miles per gallon
Private Function GetMPG(ByVal dblMiles,
ByVal dblGallons)As Double
Return dblMPG = dblMiles / dblGallons
End Sub
' call the function to calculate miles per gallon
' pass variables for the calculation
intMPG = GetMPG()