The sum of the original number after the decimal point of a decimal is moved one place to the right is 8.8. What is this decimal?
一个小数的小数点向右移动一位后与原数之和是8.8，这个小数是多少．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">8.8 / 11</gadget>
<output>0.8</output>

<result>0.8</result>