There are chickens and rabbits in the same cage, with a total of 110 legs. Knowing that the number of rabbits is 5 times that of chickens, how many rabbits are there?
今有鸡、兔同笼，一共有110只脚，知道兔子的数量是鸡的5倍，则兔子有多少只．
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">2 + 20</gadget>
<output>22</output>

<gadget id="calculator">110 / 22</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>