The students in the Biology Group of Linchang Primary School collected specimens. The butterfly specimens collected were dragonflies (3/4), and the beetles were dragonflies (1/2). There are 12 butterfly specimens, how many beetles are there?
林场小学生物小组的同学收集标本，收集到的蝴蝶标本是蜻蜓的(3/4)，甲壳虫是蜻蜓的(1/2)．蝴蝶标本有12只，甲壳虫有多少只？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 / (3/4)</gadget>
<output>16</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 * (1/2)</gadget>
<output>8</output>

<result>8</result>