| Number | Start  | End    | Size   | Type     | File system | Flags | comment     |
   |--------+--------+--------+--------+----------+-------------+-------+-------------|
   |      1 | 32.3kB | 3072MB | 3072MB | primary  | ext2        |       | grub        |
   |      2 | 3072MB | 23.1GB | 20.0GB | primary  | ext3        |       | debian      |
   |        | 23.1GB | 23.1GB | 262kB  |          | Free Space  |       |             |
   |      3 | 23.1GB | 63.1GB | 40.0GB | primary  | ntfs        | boot  | win7 c:     |
   |        | 63.1GB | 63.1GB | 1939kB |          | Free Space  |       |             |
   |      4 | 63.1GB | 160GB  | 96.9GB | extended |             |       |             |
   |        | 63.1GB | 63.1GB | 445kB  |          | Free Space  |       |             |
   |      9 | 63.1GB | 64.1GB | GB     | logical  |             |       | debian-test |
   |      5 | 83.1GB | 103GB  | 20.0GB | logical  | ntfs        |       | win7 d:     |
   |        | 103GB  | 103GB  | 803kB  |          | Free Space  |       |             |
   |      6 | 103GB  | 123GB  | 20.0GB | logical  | ext4        |       | temp2       |
   |      7 | 123GB  | 143GB  | 20.0GB | logical  | ext4        |       | virtualbox  |
   |      8 | 143GB  | 160GB  | 17.0GB | logical  | ext4        |       | temp        |
#+TBLFM: @9$4=$3-$2