There is a decimal, first move its decimal point to the left by 2 digits, then move it to the right by 3 digits, the result is 40.3, what is the original decimal point?
有一个小数，先把它的小数点向左移动2位后，再向右移动3位，结果是40.3，原来的小数是多少．
<gadget id="calculator">40.3 / 1_000</gadget>
<output>0.0403</output>

<gadget id="calculator">0.0403 * 100</gadget>
<output>4.03</output>

<result>4.03</result>