When a number is divided by 9, the remainder is 8, when divided by 11, the remainder is 10, and when divided by 13, the remainder is 12. What is the smallest number?
一个数除以9余数是8，除以11余数是10，除以13余数是12，这个数最小是多少．
<gadget id="calculator">9 * 11 * 13</gadget>
<output>1_287</output>

<gadget id="calculator">1_287 - 1</gadget>
<output>1_286</output>

<result>1_286</result>