There is a three-digit number. The sum of the three digits of this three-digit number is 12. Adding 5 to the ones digit gives 7, and adding 6 to the tens digit gives 9. What is the three-digit number?
有一个三位数，这个三位数的三个数字的和是12，个位数字加上5得7，十位数字加上6得9，这个三位数是多少？
<result>732</result>