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]: ['D', 'C', '7295', 'g', 'j', '1387', 'O', '4701', 'B', 'd', 'W', 'b', 's', 'n', 'n', '4917', '2941', '1825', 'x']
[A]: 23066


[Q]: ['D', '7807', '9395', 'T', 'c', '5139', '2827', 't', 'T', 'm', '3717', 'U', '3225', '7419', '2481', 'p', 'C', '5277']
[A]: 47287


[Q]: ['7267', 'Z', '6419', '3069', '2257', 'h', 'r', 'L', '7663', 'm', '7227', '5051', '9733', 'p']
[A]:
48686