There are 10 numbers, if the largest number is removed, the average of the remaining numbers is 22; if the smallest number is removed, the average of the remaining numbers is 25. Then, among the original 10 numbers, what is the difference between the largest number and the smallest number?
有10个数，若去掉最大的数，则剩下的数的平均数是22；若去掉最小的数，则剩下的数的平均数是25．那么，原来10个数中，最大数与最小数的差是多少．
<gadget id="calculator">25 * 9</gadget>
<output>225</output>

<gadget id="calculator">22 * 9</gadget>
<output>198</output>

<gadget id="calculator">225 - 198</gadget>
<output>27</output>

<result>27</result>