The breeding group of the experimental primary school raised some rabbits, and the number of white rabbits was twice that of black rabbits. There are 24 rabbits in total. How many white rabbits are there?
实验小学饲养小组养了一些兔子，其中白兔的只数是黑兔的2倍．两种兔共有24只．求白兔有多少只？
<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">24 / 3</gadget>
<output>8</output>

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

<result>16</result>