There are 12 boxes of apples in the orchard, each weighing 15 kg. If you pack these apples into a box of 20 kg, how many boxes can you pack?
果园有12箱苹果，每箱15千克．如果把这些苹果每20千克装一箱，可以装几箱？
<gadget id="calculator">12 / 20</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">15 * (3/5)</gadget>
<output>9</output>

<result>9</result>