For a decimal, if the decimal point is moved one bit to the right, the new number obtained will be 7.65 greater than the original number. What is the original number?
一个小数，如果把它的小数点向右移动一位，得到的新数就比原来的数大7.65，原来的数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">7.65 / 9</gadget>
<output>0.85</output>

<result>0.85</result>