Chickens and rabbits are in the same cage, the number of chickens and rabbits is the same, and the total number of legs is 60. How many chickens and rabbits are there? (Solve by two methods of arithmetic and equation)
鸡兔同笼，鸡兔只数相同，腿加起来共有60条．鸡和兔各有多少只？(用算术和方程两种方法解答)
<gadget id="calculator">60 / 3 / 2</gadget>
<output>10</output>

<result>10</result>