Convert dataset sizes from base 2 to base 10 in the dataset card

Convert dataset sizes from base 2 (MiB) to base 10 (MB) in the dataset card, as it is the case in the dataset viewer.
See: https://github.com/huggingface/datasets/issues/5708

README.md

@@ -83,9 +83,9 @@ dataset_info:
 - **Repository:** https://github.com/allenai/abductive-commonsense-reasoning
 - **Paper:** [Abductive Commonsense Reasoning](https://arxiv.org/abs/1908.05739)
 - **Point of Contact:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
-- **Size of downloaded dataset files:** 4.88 MB
-- **Size of the generated dataset:** 32.77 MB
-- **Total amount of disk used:** 37.65 MB
+- **Size of downloaded dataset files:** 5.12 MB
+- **Size of the generated dataset:** 34.36 MB
+- **Total amount of disk used:** 39.48 MB
 
 ### Dataset Summary
 
@@ -107,9 +107,9 @@ The Abductive Natural Language Inference Dataset from AI2.
 
 #### anli
 
-- **Size of downloaded dataset files:** 4.88 MB
-- **Size of the generated dataset:** 32.77 MB
-- **Total amount of disk used:** 37.65 MB
+- **Size of downloaded dataset files:** 5.12 MB
+- **Size of the generated dataset:** 34.36 MB
+- **Total amount of disk used:** 39.48 MB
 
 An example of 'train' looks as follows.
 ```