When the decimal point of a decimal is moved one place to the right, it is 3.96 more than the original number. What is this decimal.
一个小数的小数点向右移动一位后比原数增加3.96．这个小数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">3.96 / 9</gadget>
<output>0.44</output>

<result>0.44</result>