For a number, if the decimal point is moved two places to the left, the resulting number is 412.83 less than the original number. What is the original number?
一个数，若把小数点向左移动两位，所得的数比原来的数减少了412.83，原来这个数是多少．
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">412.83 / 99</gadget>
<output>4.17</output>

<gadget id="calculator">4.17 * 100</gadget>
<output>417</output>

<result>417</result>