```
% pandoc -f rst -t native
+--------+----------------+
| 123456 | :math:`a + b`  |
+--------+----------------+
^D
[Table ("",[],[]) (Caption Nothing
 []) [(AlignDefault,Just 0.125),(AlignDefault,Just 0.2361111111111111)] 0
 [Row ("",[],[])
  [Cell ("",[],[]) Nothing 1 1
   []
  ,Cell ("",[],[]) Nothing 1 1
   []]]
 [Row ("",[],[])
  [Cell ("",[],[]) Nothing 1 1
   [Plain [Str "123456"]]
  ,Cell ("",[],[]) Nothing 1 1
   [Plain [Math InlineMath "a + b"]]]]
 []]
```