conversations.from: human
conversations.value: Nina has two pairs of shoes. She bought one of them for $22, and the second one was 50% more expensive. How much did Nina pay for both pairs of shoes?
  Give me a clear explanation.
conversations.from: assistant
conversations.value: The second pair of shoes was 50/100 * 22 = $11 more expensive.
  That means that the second pair's price was 22 + 11 = $33.
  So for both pairs of shoes, Nina paid 33 + 22 = $55.