There are 12 butterflies in a garden. There are twice as many butterflies as bees. How many bees are there?
花园里有12只蝴蝶，蝴蝶的只数是蜜蜂的2倍，蜜蜂有多少只？
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>