Number A and Number B both have two decimal places, and they are both 4.6 after rounding. What is the maximum difference between Number A and Number B?
甲数和乙数都是两位小数，它们四舍五入后都是4.6，甲数和乙数的差最大是多少．
<gadget id="calculator">4.64 - 4.55</gadget>
<output>0.09</output>

<result>0.09</result>