Fix mathematical reasoning

README.md

@@ -165,8 +165,8 @@ widget:
   example_title: Fairy tale
   group: French
 - text: |-
-  Q: A juggler can juggle 16 balls. Half of the balls are golf balls, and half of the gold balls are blue. How many blue golf balls are there?
-  A: Let's think step by step.
+    Q: A juggler can juggle 16 balls. Half of the balls are golf balls, and half of the gold balls are blue. How many blue golf balls are there?
+    A: Let's think step by step.
   example_title: Mathematical reasoning
   group: English
 model-index: