(parted) print free

Disk /dev/hda: 120GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type     File system  Flags
 1      32.3kB  8390MB  8390MB  primary  fat32        boot 
 2      8390MB  10.4GB  1999MB  primary  ext3              
 3      10.4GB  10.9GB  510MB   primary  linux-swap        
 4      10.9GB  14.0GB  3101MB  primary  ext3              
        14.0GB  120GB   106GB            Free Space        

(parted) mkpart extended ext3 14GB 24G                                     
Error: Can't create any more partitions.                                  
(parted)