From the natural numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 1 number, 2 numbers, 3 numbers, ..., 9 numbers can be taken out each time, first calculate the sum of the numbers taken out each time , and then find the sum of all sums, please find out what is the sum?
从自然数1，2，3，4，5，6，7，8，9中每次可取出1个数，2个数，3个数，…，9个数，先求每次取出数的和，再求出所有和的总和，请你求出这个总和是多少？
<gadget id="calculator">2 ** 8</gadget>
<output>256</output>

<gadget id="calculator">45 * 256</gadget>
<output>11_520</output>

<result>11_520</result>