fix math

utils.py

@@ -288,9 +288,10 @@ def strip_string(string):
 
     # NOTE: X/Y changed to \frac{X}{Y} in dataset, but in simple cases fix in case the model output is X/Y
     # string = fix_a_slash_b(string)
-    if string.startswith("\\boxed{") and string.endswith("}"):
-        string = string[7:-1]
     string = string.split("=")[-1]
+    while string.startswith("\\boxed{") and string.endswith("}"):
+        string = string[7:-1]
+        string = string.split("=")[-1]
     return string