After the decimal point of a number is moved one place to the left, it is reduced by 0.27 from the original. What is the original number?
一个数的小数点向左移动一位后，比原来减少了0.27，原来这个数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">0.27 / 9</gadget>
<output>0.03</output>

<gadget id="calculator">0.03 * 10</gadget>
<output>0.3</output>

<result>0.3</result>