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: ['p', 'V', '673', '8483', 'S']

A: 9156
****
Q: ['2585', '3043', 'w', '7697', '53', 't', 'A']

A: 13378
****
Q: ['1823', '1857', 'P', '8613', '3555', '6861', 'W', 'C', 'I', 'i', 'r', 'E']

A:
22709
****