There is a three-digit number, the ones digit is 1.5 times the tens digit, and the tens digit is the quotient of the hundreds digit divided by 2. It is also known that the sum of the ones, tens and hundreds digits of the three digits is 18, What is the three-digit number.
有一个三位数，个位数字是十位数字的1.5倍，十位数字是百位数字除以2的商，又知这个三位数个位、十位、百位数字的和是18，这个三位数是多少．
<result>846</result>