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.
['z', 'F', 'i', 'T', 'U', '4861', '9281', 'Q', 'N', 'z', '7007', 'O']