Using the numbers 0, 1, 2, 3, 4, and 5 each, what is the maximum product of two three-digit numbers?
用数字0，1，2，3，4，5各一个，组成两个三位数的乘积最大是多少．
<gadget id="calculator">520 * 431</gadget>
<output>224_120</output>

<result>224_120</result>