conversations.from: human
conversations.value: Annabelle collected a weekly allowance of $30. She spent a third of it buying junk food, then spent another $8 on sweets. Out of guilt she decides to save the rest. How much did she save?
conversations.from: assistant
conversations.value: A third of $30 is $30*(1/3) = $10
  She spent $10 from $30 leaving $30-$10 = $20
  She spent another $8 leaving $20-$8 = $12 which she saved