Update README.md

README.md

@@ -63,16 +63,24 @@ The symbol-length distribution:
 
 ```text
 ### Expression
-Calculate: (11 + (296 - 98))
+Calculate: {([20 - 9] - 3) * ({[8 + {{2 * 18} - (12 * 19)}] - {(15 * 13) - 12}} + 11)}
 
 ### Answer
 <think>
-Start: (11 + (296 - 98))
-1. (74 * 4) = 296
-2. (296 - 98) = 198
-3. (11 + 198) = 209
+Start: {([20 - 9] - 3) * ({[8 + {{2 * 18} - (12 * 19)}] - {(15 * 13) - 12}} + 11)}
+1. (20 - 9) = 11
+2. (11 - 3) = 8
+3. (2 * 18) = 36
+4. (12 * 19) = 228
+5. (36 - 228) = -192
+6. (8 + -192) = -184
+7. (15 * 13) = 195
+8. (195 - 12) = 183
+9. (-184 - 183) = -367
+10. (-367 + 11) = -356
+11. (8 * -356) = -2848
 </think>
-<answer>209</answer>
+<answer>-2848</answer>
 ```
 
 ## Dataset generation