Among the 2013 numbers from 1 to 2013, how many numbers do not carry when added to the four-digit number 5678?
在1到2013这2013个数中，共有多少个数与四位数5678相加时不发生进位．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>

<gadget id="calculator">4 * 3 * 2</gadget>
<output>24</output>

<gadget id="calculator">1 + 4 + 18 + 24 + 4</gadget>
<output>51</output>

<result>51</result>