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: ['7215', 'd', 'q', 'k', '9301', 'P', 'x', 'C', 'g', 'e', 'o', '2769', '6993', '9769', 'v', '9007', '4131', '8627', 'q']

A: 57812
****
Q: ['o', 'L', 'E', 'V', 'D', 's', 'Z', 'm', 'a', '2785', 'I', 'v', 'B', '7909', '1599', 'V', 'N']

A: 12293
****
Q: ['I', '3529', 'K', 'H', '1459', 'b', 'G', '3593', 'j', 's', '1085', '4551']

A:
14217
****