Move the decimal point of a number two places to the left first, and then three places to the right to get 0.2. What is the original number?
把一个数的小数点先向左移动两位，再向右移动三位后是0.2，这个数原来是多少．
<gadget id="calculator">0.2 / 10</gadget>
<output>0.02</output>

<result>0.02</result>