If the decimal point of a decimal is moved one bit to the right, it will be 0.45 larger than the original number. What is this decimal?
一个小数的小数点向右移动一位，就比原数大0.45，这个小数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

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

<result>0.05</result>