After Wang Lin calculated the average number of 2000 numbers, he mixed the obtained average number with the original 2000 numbers, and obtained the average number of the mixed numbers as 2001, then the average number of the original 2000 numbers how many.
王林在计算出2000个数的平均数后，把所求得的平均数混在原先的2000个数中，又求得混在一起的数的平均数为2001，则原来的2000个数的平均数是多少．
<gadget id="calculator">2_001 * 2_000</gadget>
<output>4_002_000</output>

<gadget id="calculator">4_002_000 + 2_001</gadget>
<output>4_004_001</output>

<gadget id="calculator">2_000 + 1</gadget>
<output>2_001</output>

<gadget id="calculator">4_004_001 / 2_001</gadget>
<output>2_001</output>

<result>2_001</result>