When a number is divided by 26, the quotient is 30. When the remainder is the largest, what is the dividend.
一个数除以26，商是30，当余数最大时，被除数是多少．
<gadget id="calculator">26 * 30</gadget>
<output>780</output>

<gadget id="calculator">26 - 1</gadget>
<output>25</output>

<gadget id="calculator">780 + 25</gadget>
<output>805</output>

<result>805</result>