A four-digit number is divisible by 3 and contains at least one number 6. How many such four-digit numbers are there?
一个四位数能被3整除且至少含有一个数字6，这样的四位数共有多少个？
<gadget id="calculator">8 * 9 * 9 * 3</gadget>
<output>1_944</output>

<gadget id="calculator">3_000 - 1_944</gadget>
<output>1_056</output>

<result>1_056</result>