When two numbers are divided, the quotient is 512 and the remainder is 7. What is the smallest dividend?
两个数相除，商是512，余数是7，被除数最小是多少？
<gadget id="calculator">512 * 8</gadget>
<output>4_096</output>

<gadget id="calculator">4_096 + 7</gadget>
<output>4_103</output>

<result>4_103</result>