I have four columns of codes and would like to get a total of each code type. What formula do I use?

008.45 599.0 340
008.45 787.01 793.4 787.91
008.45 787.01 793.4
009.1 250.00 276.1 401.1
009.1 250.00 276.1 401.1
009.1 250.00 276.1 401.1
009.1 251.2 244
.9 428.0