conversations.from: human
conversations.value: Can you walk me through the solution of: A bird eats 7 berries a day. Samuel has 5 birds. How many berries do Samuel's birds eat in 4 days?
conversations.from: assistant
conversations.value: A bird eats 7 x 4 = 28 berries in 4 days.
  So, 5 birds can eat 28 x 5 = 140 berries in 4 days.