For a three-digit number, the sum of the digits is 15, and the number in the hundreds place is 5 less than the number in the ones place. If you write this number upside down, the new number obtained is 39 times less than the original number. Find the original number.
一个三位数，各位数字之和为15，百位上的数字比个位上的数字小5，如果把这个数倒过来写，所得新数比原数的三倍少39，求原数．
<result>267</result>