The school breeding group raised 48 white rabbits, and the number of black rabbits was half of the white rabbits. How many black and white rabbits does the school breeding group raise?
学校饲养组养白兔48只，养黑兔的只数是白兔的一半．学校饲养组共养黑白兔多少只？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">24 + 48</gadget>
<output>72</output>

<result>72</result>