```
% pandoc -f rst -t native
+--------+----------------+
| 123456 | :math:`a + b`  |
+--------+----------------+
^D
[Table [] [AlignDefault,AlignDefault] [0.125,0.2361111111111111]
 [[]
 ,[]]
 [[[Plain [Str "123456"]]
  ,[Plain [Math InlineMath "a + b"]]]]]
```