A four-digit integer whose ones digit is 2. If the last digit is moved to the first digit, the new number obtained is 108 smaller than the original number. This four-digit number is: how many.
一个四位整数，其个位数字为2，若把末位数字移到首位，所得新数比原数小108，这个四位数是：多少．
<gadget id="calculator">108 - 2</gadget>
<output>106</output>

<gadget id="calculator">2_000 + 106</gadget>
<output>2_106</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">2_106 / 9</gadget>
<output>234</output>

<gadget id="calculator">10 * 234</gadget>
<output>2_340</output>

<gadget id="calculator">2_340 + 2</gadget>
<output>2_342</output>

<result>2_342</result>