After a number is enlarged by 10 times, it is 4.68 more than the original number. What is the original number?
一个数扩大10倍之后比原数多4.68，求原数是多少？
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">4.68 / 9</gadget>
<output>0.52</output>

<result>0.52</result>