Congcong uses chess pieces to form a square, and there are still 5 left. If one row is added horizontally and vertically, there will be 26 missing. How many pieces are there in total.
聪聪用棋子摆方阵，还剩下5个，如果横竖各增一排则缺少26个．共有多少个棋子．
<gadget id="calculator">26 + 5</gadget>
<output>31</output>

<gadget id="calculator">31 + 1</gadget>
<output>32</output>

<gadget id="calculator">32 / 2</gadget>
<output>16</output>

<gadget id="calculator">16 * 16</gadget>
<output>256</output>

<gadget id="calculator">256 - 26</gadget>
<output>230</output>

<result>230</result>