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: ['187', 'J', 'l', 'p', '1009', 'g', '5817', 'V', 'B', 'Z', '3329', '9253']

A: 19595
****
Q: ['61', '5695', 'u', '253', 'n', '1035', 'd', '3017']

A: 10061
****
Q: ['1557', 'i', '4855', '4297', '6417', 'T', 'U', '5395', 'J', '8985', '9233', 'z', '6835', 's', 'C', '2325', '6147']

A:
56046
****