The decimal point of a number is moved three places to the right, and then one place to the left to get 273.4. What is the original number?
一个数的小数点先向右移动三位，再向左移动一位后得到273.4，这个数原来是多少．
<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<gadget id="calculator">273.4 / 100</gadget>
<output>2.734</output>

<result>2.734</result>