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.
['d', 'I', '2849', '5011', '2181', 's', 'R', 'L', '7857', 'T', '4399', 'k', '3689', 'O', '2793', '6835', '9127', 'l', 'w', 'c', 'o', 'S', '8645', 'P', '7457', '811']