Zhongbai Supermarket bought 119 watermelons, each weighing 6 kilograms, and another 120 kilograms of melons. How many kilograms more watermelon than melon?
重百超市进了119个西瓜，每个西瓜重6千克，又进了120千克甜瓜．西瓜比甜瓜多多少千克？
<gadget id="calculator">119 * 6</gadget>
<output>714</output>

<gadget id="calculator">714 - 120</gadget>
<output>594</output>

<result>594</result>