Please type your answer, thanks you! :)

The subject is UNIX:

The following data contains a variable number of fields per record. Write an awk script that will add all of the fields together and print the resulting sum.

random.csv

1,3,5,8,10,11,54 1,2,3,4 15,18,21,42,37 1,1,1,0,0,3,16 4,1,8,0,4,6,13,16,17,20,8,6,4 13