The sum of the two numbers of A and B is 10.78. If the decimal point of A is moved one place to the left, it is exactly equal to the number of B. What is the original number of B?
甲乙两数的和是10.78，如果把甲的小数点向左移动一位，正好与乙数相等，乙数原来是多少．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">10.78 / 11</gadget>
<output>0.98</output>

<result>0.98</result>