A basket of oranges weighs 30 kg and the weight of the basket is 3 kg. What is the weight of oranges in kg?
一筐桔子连筐重30千克，筐重3千克，桔子的重量是多少千克．
<gadget id="calculator">30 - 3</gadget>
<output>27</output>

<result>27</result>