When Xiaoli did a subtraction problem, she calculated the subtrahend 4.5 as 5.4, and the result obtained in this way was much less than the correct result
小丽算一道减法题时，将减数4.5算成了5.4，这样求得的结果比正确结果少多少
<gadget id="calculator">5.4 - 4.5</gadget>
<output>0.9</output>

<result>0.9</result>