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: ['5095', '8235', '4901', 's', '4177', '3077', 'l']

A: 25485
****
Q: ['6723', '1', '6357', '1497', 'A', 'p', 'N', 'T']

A: 14578
****
Q: ['3215', 'h', '9133', '2771', 'F', 'x', '9033', '709', 'q']

A:
24861
****