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]: ['q', '5151', 'R', '441']
[A]: 5592

[Q]: ['8505', '1141', 'E', '8975', 'J', 'T', 'G', '3747', '3245', '5213', 'G', '1703', '7565', '1137', '1361']
[A]:
42592