conversations.from: human
conversations.value: Betty is planning to host her friends over for a party. She buys drinks, cakes, and ice creams at a unit cost of $2, $10, and $5 respectively. How much does she spend if she buys 10 drinks, 5 cakes, and 100 ice creams?
conversations.from: assistant
conversations.value: The amount she spends on buying drinks is $2*10= $20.
  The amount she spends on buying cakes is $10*5= $50.
  The amount she spends on buying ice creams is $5*100=$500.
  The total amount she spends is $20+$50+$500=$570