In positive integers less than 10000, exchange the digits in the highest and lowest digits of a number to obtain a new number, and the new number is 1.2 times the original number. What is the sum of all the numbers that satisfy the above conditions?
在小于10000的正整数中，交换一个数最高位上与最低位上的数字，得到一个新数，且新数是原数的1.2倍，满足上述条件的所有数的总和是多少．
<result>5_535</result>