The ratio of white rabbits to black rabbits is 3:7, and there are 24 more black rabbits than white rabbits. How many rabbits are there in total?
白兔与黑兔的只数比是3：7，黑兔比白兔多24只，两种兔共有多少只？
<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">3 + 7</gadget>
<output>10</output>

<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<result>60</result>