Multiply two two-digit numbers composed of the four numbers 2, 3, 5, and 9. If the product of these two numbers is to be maximized, what is the product?
用2、3、5、9这四个数字组成2个两位数相乘，要使得这两个数的积最大，这个积是多少．
<gadget id="calculator">53 * 92</gadget>
<output>4_876</output>

<result>4_876</result>