two-digit decimal is 15.84 larger than the original after removing the decimal point. What is the original two-digit decimal?
一个两位小数去掉小数点后比原来大15.84，原来的两位小数是多少．
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">15.84 / 99</gadget>
<output>0.16</output>

<result>0.16</result>