The sum of the two numbers A and B is 16.5, and the decimal point of A moves one place to the right, which is exactly the number B. What is the number A?
甲乙两数的和是16.5，甲数的小数点向右移动一位正好是乙数，甲数是多少
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">16.5 / 11</gadget>
<output>1.5</output>

<result>1.5</result>