instruction:
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.
question:
['9125', '1443', '2303', 'O', '8463', '401', '3983', 'g', '4327', 'z', 'n', 'F', 'Q', 'j', '9885']
answer:
39930


question:
['z', 'j', 'M', 'E', '1689', '8413', '2603', 'b', '5101', 'w', 'r']
answer:
17806


question:
['V', 'W', '2139', '5433', 'N', '1019', '2409', '4713', '3831', '3419', '627', '6741', 'k', '9', '8839', '6045', '6799', '775', 'F', 'n']
answer:

52798