□/35=21…□, when the remainder is the largest, what is the dividend.
□/35=21…□，当余数最大时，被除数是多少．
<gadget id="calculator">21 * 35</gadget>
<output>735</output>

<gadget id="calculator">35 - 1</gadget>
<output>34</output>

<gadget id="calculator">735 + 34</gadget>
<output>769</output>

<result>769</result>