When Xiao Ming calculates a decimal subtraction, he regards 8 on the tens place of the subtrahend as 6, and 3 on the tenth place of the subtrahend as 7. The result is 30.26. What is the correct result?
小明在计算一道小数减法时，把减数十位上8看成6，被减数十分位上3看成7，结果是30.26，正确结果是多少？
<gadget id="calculator">80 - 60</gadget>
<output>20</output>

<gadget id="calculator">0.7 - 0.3</gadget>
<output>0.4</output>

<gadget id="calculator">20 + 0.4</gadget>
<output>20.4</output>

<gadget id="calculator">30.26 - 20.4</gadget>
<output>9.86</output>

<result>9.86</result>