Jiajiahui Fruit Store shipped 34 baskets of apples and 28 baskets of oranges, weighing a total of 1,100 kilograms. If each basket of apples weighs 20 kilograms, how much does each basket of oranges weigh?
家家惠水果店运来34筐苹果和28筐橘子，一共重1100千克，如果每筐苹果重20千克，那么每筐橘子重多少千克？
<gadget id="calculator">20 * 34</gadget>
<output>680</output>

<gadget id="calculator">1_100 - 680</gadget>
<output>420</output>

<gadget id="calculator">420 / 28</gadget>
<output>15</output>

<result>15</result>