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.
['721', 'M', 'y', 'D', '7981', 's', '2523', '9495', '2175', '4667', 'u', 'd', '9177', 'H', '9027', '4353', '5473', 'N', 'I', '4237', 'h', 'n', '8727', 'w', 'i', 'A', '8741', 'w', 'W']