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]: ['1693', '9237', '7591', '1593', 'R', '6295', '9379']
[A]: 35788


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


[Q]: ['8337', 'R', 'd', 'N', 'm', '8861', 'z', 'e', 'P', '3927', '3953', 'A', '7657', 'S', '2311', 'T', '5983', '8355']
[A]:
49384