When a number is divided by 9, the quotient is 204 and has the largest remainder. What is this number?
一个数除以9，商是204，有最大的余数，这个数是多少．
<gadget id="calculator">204 * 9</gadget>
<output>1_836</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">1_836 + 8</gadget>
<output>1_844</output>

<result>1_844</result>