For a three-digit number, the sum of the digits is 15, and the number in the hundreds digit is 5 less than the digit in the ones digit; if the ones digit and the hundreds digit are reversed, the new number obtained is 3 times less than the original number 39． What is the original three-digit number?
一个三位数，各位上的数之和是15，百位上的数比个位上的数小5；如果把个位和百位数对调，那么得到的新数比原数的3倍少39．则原来的这个三位数是多少．
<result>267</result>