There are 100 chickens and rabbits, and the chicken has 26 more feet than the rabbit. So, how many chickens are there?
鸡与兔共100只，鸡的脚比兔的脚多26只．那么，鸡有多少只．
<gadget id="calculator">4 * 100</gadget>
<output>400</output>

<gadget id="calculator">400 + 26</gadget>
<output>426</output>

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

<gadget id="calculator">426 / 6</gadget>
<output>71</output>

<result>71</result>