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.
['7741', '7853', 'k', '7667', 'l', '6865', 'U', 'y', 'p', 'f', '9767', 'f', 'L', '5627', 'l', 'M', 'm', '2903', '9817', '3659', '7699', 'O', 'K']