In this task, you are given an input list A. You need to find all the elements of the list that are numbers and calculate their sum.

['3575', '8877', '3231', 'v', '9083', '317', 'M', '8975', 'x', 'F']
34058

['4401', 'p', 'V', 'l', 'H', '7329', 's', '4717', 'l', '1773', '67', '179', 'l', '6991', 'a', '9377']
34834

['G', '1105', '8155', 'E', 'B', 'u', '5947', '9589', '685']

25481