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: ['E', 'X', 'C', 'v', '2803', 'g', 'b', '763']

A: 3566
****
Q: ['7087', 'P', 'i', 'e', '4875', 'e', 'F']

A: 11962
****
Q: ['C', 'o']

A:
0
****