□/△=12…26, the minimum number to be filled in □.
□/△=12…26，□里最小要填多少．
<gadget id="calculator">26 + 1</gadget>
<output>27</output>

<gadget id="calculator">27 * 12</gadget>
<output>324</output>

<gadget id="calculator">324 + 26</gadget>
<output>350</output>

<result>350</result>