The difference between the two numbers of A and B is 108.9. If the decimal point of A is moved one place to the left and it is exactly equal to the number of B, what is the sum of the two numbers of A and B?
甲乙两数的差是108.9，若甲数的小数点向左移动一位与乙数恰好相等，那么甲乙两数的和是多少
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">108.9 / 9</gadget>
<output>12.1</output>

<gadget id="calculator">12.1 * 10</gadget>
<output>121</output>

<gadget id="calculator">121 + 12.1</gadget>
<output>133.1</output>

<result>133.1</result>