There is such a three-digit number, the number in the hundreds place is 1 less than three times the number in the ones place, the number in the tens place is greater than the number in the ones place and less than the number in the hundreds place, all such three-digit numbers and how much
有这样的三位数，它的百位上的数比个位上的数的3倍少1，十位上的数大于个位上的数小于百位上的数，所有这样三位数的和是多少
<gadget id="calculator">542 + 532 + 873 + 863 + 853 + 843</gadget>
<output>4_506</output>

<result>4_506</result>