title: Get previous cell value + side cell value calculation in SQL Server
body: <p><a href="https://i.stack.imgur.com/yCPNT.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/yCPNT.png" alt="Image"></a></p>
  
  <p>I wan this type of calculated date value in SQL. </p>
  
  <p>Is any way to get this type of calculated data ? </p>