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', 't', '4837', 'F', '2367', '1867', '8361', 'm']
17432

['7187', '5651', 'd', '4869', 'q', '2375', '3547']
23629

['5273', 'b', '6153', '4785', '1353', 'H', '9807', '6943', '3851', '9513', 'i', '8017', 'N', 'g']

55695