There are a total of 900 three-digit numbers, each of these three-digit digits can be multiplied to get a product, what is the sum of all the products?
三位数共有900个，每个这样三位数的三个数位上数码相乘都能得到一个积，求所有的积的和是多少？
<gadget id="calculator">45 * 45 * 45</gadget>
<output>91_125</output>

<result>91_125</result>