The little sloppy miscalculated 102*(₣+6) as 102*□+6. How far is his result from the correct result?
小马虎把102*(囗+6)错算成102*囗+6．他得出的结果与正确结果相差多少？
<gadget id="calculator">102 * 6</gadget>
<output>612</output>

<gadget id="calculator">612 - 6</gadget>
<output>606</output>

<result>606</result>