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.
['703', '3199', 'O', 'M', '8865', 'C', 'b', 'K', '6653', '6821', '2581', '5421', '6363', 'H', 'T', '8913', 'x', 'p', 'K', '8925', '3211', 'd', 'y', 'h', '3387', '8787']