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.
['7155', 'S', 'A', 'M', 'C', '9621', 'I', 'B', 'Z', 'V', '315', 'M', '3707', 'V', 'A', '7125', '1389', 'P', '2521', '8187', 'W', '3789', '5101', '719', 'l', 'h', 'K', '6139', 'z', '6487', '5663']