Write SQL query to solve given problem: What is the average level employees working as Managing Editor are at? How many levels are there between the average level and the highest level?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT AVG(T2.job_lvl), T1.max_lvl - AVG(T2.job_lvl) FROM jobs AS T1 INNER JOIN employee AS T2 ON T1.job_id = T2.job_id WHERE T1.job_desc = 'Managing Editor' GROUP BY T2.job_id, T1.max_lvl