For the number of certain people, he counted from the beginning to more than 1000 in the order of 1, 2, 3, 4.... If one number is counted for one digit, two numbers are counted for two digits, and three numbers are counted for three digits, so that he has counted a total of 3205 numbers, how many have he counted?
某人数数，他从一开始，按照1、2、3、4…的顺序一直数到1000多．如果一位数数一个数码，两位数数两个数码，三位数数三个数码，这样他一共数了3205个数码，算一算他数到了多少？
<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">900 * 3</gadget>
<output>2_700</output>

<gadget id="calculator">3_205 - 9 - 180 - 2_700</gadget>
<output>316</output>

<gadget id="calculator">316 / 4</gadget>
<output>79</output>

<gadget id="calculator">79 - 1</gadget>
<output>78</output>

<gadget id="calculator">1_000 + 78</gadget>
<output>1_078</output>

<result>1_078</result>