If the decimal point of a number is moved to the right by 0.45, what is the original number?
一个数的小数点向右移动一位后比原数多0.45，原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">0.45 / 9</gadget>
<output>0.05</output>

<result>0.05</result>