In my greenhouse, I picked 120 baskets of tomatoes, with an average of 24 kilograms per basket; 115 baskets of kidney beans, with an average of 30 kilograms per basket. Which vegetables are picked more often? How much?
我家的大棚里采摘了120筐西红柿，平均每筐24千克；采摘了115筐芸豆，平均每筐30千克．那种蔬菜采摘得多？多多少？
<gadget id="calculator">30 * 115</gadget>
<output>3_450</output>

<gadget id="calculator">24 * 120</gadget>
<output>2_880</output>

<gadget id="calculator">3_450 - 2_880</gadget>
<output>570</output>

<result>570</result>