The decimal point of a decimal is moved one place to the left, the number obtained is 2.52, what is the decimal.
一个小数的小数点向左移动一位，得到的数是2.52，这个小数是多少．
<gadget id="calculator">2.52 * 10</gadget>
<output>25.2</output>

<result>25.2</result>