conversations.from: human
conversations.value: I would love to understand how to solve this problem: Each bank teller has 10 rolls of coins. Each roll has 25 coins. How many coins do four bank tellers have in all?
  Can you explain?
conversations.from: assistant
conversations.value: Each bank teller has 10 x 25 = 250 coins.
  Thus, four bank tellers have 250 x 4 = 1000 coins.