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: ['3013', '3955', 'f', '1183', '5111', '9509', '2351', '7087', 'f']

A: 32209
****
Q: ['191', 'R', 'Q', '7809', '4851', 'b', 'e', 'H', 'E', 'I', 'r', 'A', 'g', 'e', 'g', 'I', 'j', 'f', '7287']

A: 20138
****
Q: ['e', '9777', '1835', 'N', '2425', '1427', 'o', '4459', '9961', '3285', '5199', 'x', 'e', '7727']

A:
46095
****