conversations.from: human
conversations.value: It costs $194 per meter to repave a street. Monica's street is 150 meters long. How much more does it cost to repave Lewis' street, which is 490 meters long?
  Give me a detailed solution.
conversations.from: assistant
conversations.value: Total cost to repave Monica’s street is 194*150 = 29,100 dollars.
  Total cost to repave Lewis’ street is 194*490 = 95,060.
  It costs 95,060-29,100 = 65,960 more dollars to repave Lewis’ street.