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.
['6811', '2225', '5677', 'T', 'c', '3899', 'U', 'b', 'K', 't', 'M', '4847', '7133', '7767']