After a number moves the decimal point one place to the left, it is 2.844 less than the original number. What is the original number?
一个数把小数点向左移动一位后，就比原数少2.844，这个数原来是多少
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">2.844 / 9</gadget>
<output>0.316</output>

<gadget id="calculator">0.316 * 10</gadget>
<output>3.16</output>

<result>3.16</result>