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', 'Y', 'W', 't', 'O', '7103', 'z', 'e', 'R', 'X', 'Z', 'a', 'A', '3027', '4787', 'U', '7453', 'j', 'k', '7275', '8355', 'n', '5803', '239', 'B', 'I', 'm', '725', '3663', 'R', 'L', 'f', 'I', '8781', '1613', 'B']