If a certain three-digit number increases by 3, then the sum of the digits of the new three-digit digits is reduced to (1/3) of the sum of the digits of the original three-digit digits, then the sum of all such three-digit digits how many?
某三位数，若它本身增加3，那么新的三位数的各位数字之和就减少到原来三位数的各位数字之和的(1/3)，则所有这样的三位数的和是多少？
<gadget id="calculator">207 + 117 + 108</gadget>
<output>432</output>

<result>432</result>