If the decimal point of a number is moved one place to the left, it is reduced by 1.62 from the original number. What is the original number?
一个数的小数点向左移动一位后比原数减少了1.62，原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">1.62 / 9</gadget>
<output>0.18</output>

<gadget id="calculator">0.18 * 10</gadget>
<output>1.8</output>

<result>1.8</result>