20 10 8

4.5 8.45 12.2

8.0 2.5 4.0

1.0 15.0 18.0

3.5 3.5 3.5

6.0 5.0 10.0

using a buffer reader in java to produce this output from the input file taking the first column as the width and the next as the height and the last column as the length and getting volume.