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.

Q: ['83', 'k', 'p', 'o', 'b', '7819', '2089', '4141', 'c', 's', '6045', '6783', 'J', 'B', 'x', 'O', 'X', '9693']

A: 36653
****
Q: ['8809', '4559', '2715', 'w', '9903', 'h', 'u', 'F', '9369', '6149']

A: 41504
****
Q: ['5087', '8757', '1039', '8063', '5457', '1349', '3941', 'W', 'w', '4035']

A:
37728
****