If a decimal is enlarged by 100 times, it will be 482.13 larger than the original number. What is the original number?
一个小数，把它扩大100倍后就比原数大482.13，原来这个小数是多少？
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">482.13 / 99</gadget>
<output>4.87</output>

<result>4.87</result>