supermarket shipped 80 boxes of watermelons, each with 8 pieces, each weighing 3 kilograms on average. How many kilograms do these watermelons weigh in total?
某超市运来80箱西瓜，每箱8个，平均每个重3千克，这些西瓜共重多少千克？
<gadget id="calculator">3 * 8 * 80</gadget>
<output>1_920</output>

<result>1_920</result>