If the decimal point of a number is moved three places to the left and then one place to the right, it is 6.23. What is the original number?
一个数的小数点向左移动三位再向右移动一位是6.23，这个数原是多少
<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<gadget id="calculator">6.23 * 100</gadget>
<output>623</output>

<result>623</result>