The sum of the number A and the number B is 16.5. If the decimal point of the number A is moved to the left, it is exactly equal to the number B. What is the number B?
甲数与乙数的和是16.5，把甲数的小数点向左移动一位就正好等于乙数，乙数是多少．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

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

<result>1.5</result>