If the decimal point of a decimal is moved one bit to the right, the decimal is increased by 17.82. What is the original number?
一个小数的小数点向右移动一位，这个小数就增加了17.82，这个数原来是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">17.82 / 9</gadget>
<output>1.98</output>

<result>1.98</result>