For a two-digit decimal, if the decimal point is removed, it will be 31.68 more than the original number. What is the original number?
一个两位小数，若把它的小数点去掉，就比原数多31.68，原来这个小数是多少．
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">31.68 / 99</gadget>
<output>0.32</output>

<result>0.32</result>