For a decimal, after the decimal point moves one place to the right, it is 4.95 larger than the original. What is the original number.
一个小数，小数点向右移动一位后，比原来大4.95．原来这个数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">4.95 / 9</gadget>
<output>0.55</output>

<result>0.55</result>