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: ['i', 'o', '1321', 'I', 'W', 'e', '1201', 'I', 'e', 'F', '9841', 'm', '9827', 'q', 'f', 'X', '8261']

A: 30451
****
Q: ['2683', '4431']

A: 7114
****
Q: ['t', '4071', 'g', 'W', '4277', '7599', 'T', 'k']

A:
15947
****