If the decimal point of a decimal is moved one place to the right, the resulting number is 16.2 more than the original number. What is the decimal number?
一个小数的小数点向右移动一位，得到的数比原数多16.2，这个小数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">16.2 / 9</gadget>
<output>1.8</output>

<result>1.8</result>