What is the difference between the product of 85 and 728 minus 4028?
85与728的积减去4028，差是多少？
<gadget id="calculator">85 * 728</gadget>
<output>61_880</output>

<gadget id="calculator">61_880 - 4_028</gadget>
<output>57_852</output>

<result>57_852</result>