In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the numerical elements in the given list. Return 0 if no numerical element in the list.
['K', 'w', 'u', '3627', 'L', 'E', 'Y', 'Q', 'O', 'Q', '2587', 'X', '6821', '5759', 'i', 'P', '461', 'Y', 'U', 'b', 'B', 'S', 'B', 'n', 'S', '7265', 'g']