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.
['t', 'l', '7891', 'A', '5541', '8365', '4593', 's', '3365', 'n', '7651', 'z', '3187', 'K', 's', '4909', '7035', 'n', 'K', 'I', 'F', '7415']