After the decimal point of a decimal is moved one place to the right, it is 24.3 larger than the original number. What is the original number?
一个小数的小数点向右移动一位后，比原数大24.3，原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">24.3 / 9</gadget>
<output>2.7</output>

<result>2.7</result>