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

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

<result>0.11</result>