Table instead of list in readme

README.md

@@ -6,10 +6,11 @@ task_categories:
 
 This dataset is designed to teach LLM how to solve basic arithmetic problems.
 
-Each row consists of four fields: 
-* `problem` - Problem itself
-* `answer` - Answer to the problem
-* `type` - Type of numbers in the problem
-* `range` - Range of numbers (-N...N) used in the problem
+|Field|Description|
+|---|---|
+|`problem`|Problem itself|
+|`answer`|Answer to the problem|
+|`type`|Type of numbers in the problem|
+|`range`|Range of numbers (-N...N) used in the problem|
 
 If problem contains an error (e.g. division by zero), `answer` equals "error".