With CT1(X1) as (
Select 1 Union All Select X1 + 1 From CT1 Where X1 < 5
), CT2(X2) as (
Select 1 Union All Select X2 + 1 From CT2 Where X2 < 5
), CT3(X3) as (
Select 2
) Select ((Select Sum(X2) From CT2) + (Select Sum(X1)
From CT1)) /
((Select Count(X2) From CT2) + (Select Count(X1) From
CT1)) *
(Select X3 From CT3)