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


[Q]: ['5347', 'E', 'a', '5379', '405', '1171', 'v', 'J']
[A]: 12302


[Q]: ['9529', 'i', '5569', 'v', 'L', '8547', '5821', '9159', '303', '5627', 'R', '8127', '1085', 'V', 'z']
[A]:
53767