When the little sloppy was doing a subtraction problem, he wrote 9 by mistake in the tens digit of the subtrahend, and 6 in the 9 digit of the subtrahend. The final difference was 326. What should be the correct answer to this question?
小马虎做一道减法题时，把被减数十位上的6错写成9，减数个位上的9错写成6，最后所得的差是326．求这题的正确答案应该是多少？
<gadget id="calculator">90 - 60</gadget>
<output>30</output>

<gadget id="calculator">9 - 6</gadget>
<output>3</output>

<gadget id="calculator">326 - 30 - 3</gadget>
<output>293</output>

<result>293</result>