After moving the decimal point of a decimal one place to the right, it is 2.88 more than the original number. What is the original number?
把一个小数的小数点向右移动一位后，比原数多2.88，原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">2.88 / 9</gadget>
<output>0.32</output>

<result>0.32</result>