Chickens and rabbits have a total of 44 feet. If the number of chickens and rabbits is exchanged, it will become 52 feet. Ask how many chickens and rabbits there are.
鸡兔共有44只脚，如果把鸡兔的数量互换，则变为52只脚．问鸡兔共有多少只．
<gadget id="calculator">52 - 44</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">44 - 8</gadget>
<output>36</output>

<gadget id="calculator">4 + 2</gadget>
<output>6</output>

<gadget id="calculator">36 / 6</gadget>
<output>6</output>

<gadget id="calculator">6 + 10</gadget>
<output>16</output>

<result>16</result>