If the decimal point of a decimal is moved one bit to the right, the number is 51.48 larger than the original number. What is the original number?
一个小数的小数点向右移动一位，这个数就比原来大51.48，原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">51.48 / 9</gadget>
<output>5.72</output>

<result>5.72</result>