For a three-digit number, the number in the tens place is the smallest prime number, the number in the ones place is three times the number in the tens place, and the number in the hundreds place is 2 greater than the number in the ones place. What is the three-digit number?
一个三位数，十位上的数字是最小的质数，个位上的数字是十位上的3倍，百位上的数字比个位上的数字大2，这个三位数是多少．
<result>826</result>