If the decimal point of a decimal is moved one place to the right, the resulting number is 24.93 more than the original number. What is the original number?
把一个小数的小数点向右移动一位，所得的数比原数多24.93，那么原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">24.93 / 9</gadget>
<output>2.77</output>

<result>2.77</result>