During the math test, Xiao Ming accidentally divided a number by 4.75 and multiplied it by 4.75. The result is 406.125. What is the correct answer to this question?
小明在数学考试时，不细心把一个数除以4.75计算成乘4.75，结果是406.125，这道题的正确答案应是多少？
<gadget id="calculator">406.125 / 4.75 / 4.75</gadget>
<output>18</output>

<result>18</result>