conversations.from: human
conversations.value: A supermarket has 2355 loaves of bread at the start of the day. By afternoon, 629 loaves are sold, and a further 489 loaves are delivered to the supermarket by their supplier in the evening. How many loaves of bread are there at the end of the day?
conversations.from: assistant
conversations.value: In the afternoon there are 2355 - 629 = 1726 loaves of bread left.
  By the evening there is a delivery and there are now 1726 + 489 = 2215 loaves of bread.