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: ['7771', 'g']

A: 7771
****
Q: ['7335', '813', '6461', '8903', '3709', 'V', 'G', 'I', 'P', 'p', 's', 'v', 'R', '4697', '4263', '9897']

A: 46078
****
Q: ['j', 'T', '875', '5809', 'r', 'O', '1451', '6325', '8117']

A:
22577
****