The difference between the numbers A and B is 0.99, and the decimal point of the number B is moved one place to the right, which is the number A. What is the number B?
甲、乙两数的差是0.99，乙数的小数点向右移动一位就是甲数，乙数是多少？
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">0.99 / 9</gadget>
<output>0.11</output>

<result>0.11</result>