After an integer is multiplied by 13, the last three digits of the product are 123, so what is the smallest such integer.
一个整数乘以13后，乘积的最后三位数是123，那么，这样的整数最小是多少．
<gadget id="calculator">6_123 / 13</gadget>
<output>471</output>

<result>471</result>