There are 312 chickens in the field. The white chickens are 4 more than the gray chickens. How many white chickens are there?
地里有312只鸡，白鸡是灰鸡的10陪多4只，白鸡有多少只？
<gadget id="calculator">312 - 4</gadget>
<output>308</output>

<gadget id="calculator">1 + 10</gadget>
<output>11</output>

<gadget id="calculator">308 / 11</gadget>
<output>28</output>

<gadget id="calculator">312 - 28</gadget>
<output>284</output>

<result>284</result>