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.

[EX Q]: ['7973', 'J', '9035', 'H', '4051', '2661', 's', 'z', '8225', 'M', '4153']
[EX A]: 36098

[EX Q]: ['A', '771', 'Q', 'b', '9929', '4991', 'q', '9863', '4363', '5721', 'C', '991', 'j', 'r', 'Q', 'B', 'K']
[EX A]: 36629

[EX Q]: ['a', '2759', '7277', 'u', '8067', '4941', '1087', '8259', 'F']
[EX A]:
32390