Convert dataset to Parquet

Convert dataset to Parquet.

Math/test-00000-of-00001.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:169850a4aad38a1202e3691c9d64d0ad9a8aa19db7b85551d3d841c71b58733e
+size 1174044

Math/val-00000-of-00001.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eccb725ccc42108d0186a0705c2a1d198456d3762c61a1598e160615480d4f18
+size 228217

README.md

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+---
+dataset_info:
+  config_name: Math
+  features:
+  - name: id
+    dtype: string
+  - name: problem
+    dtype: string
+  - name: prompt
+    dtype: string
+  - name: figure_urls
+    sequence: string
+  - name: answer
+    sequence: string
+  - name: solution
+    dtype: string
+  - name: answer_type
+    dtype: string
+  - name: unit
+    sequence: string
+  - name: answer_sequence
+    sequence: string
+  - name: type_sequence
+    sequence: string
+  - name: test_cases
+    sequence:
+    - name: input
+      dtype: string
+    - name: output
+      dtype: string
+  - name: subject
+    dtype: string
+  - name: language
+    dtype: string
+  - name: modality
+    dtype: string
+  splits:
+  - name: test
+    num_bytes: 3153019
+    num_examples: 2977
+  - name: val
+    num_bytes: 484904
+    num_examples: 244
+  download_size: 1402261
+  dataset_size: 3637923
+configs:
+- config_name: Math
+  data_files:
+  - split: test
+    path: Math/test-*
+  - split: val
+    path: Math/val-*
+---