The ratio of the number of black rabbits to white rabbits raised by the sixth grade biology group is 3:5, and there are 12 more white rabbits than black rabbits. How many white rabbits and black rabbits are there altogether?
六年级生物小组养的黑兔和白兔只数的比是3：5，白兔比黑兔多12只．白兔和黑兔一共有多少只？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<result>48</result>