When Xiao Ming was calculating a question, he mistakenly lost the decimal point of the divisor 4.2, and the result was 3.8, so what is the correct result?
小明在计算一道题时，错将除数4.2的小数点看丢了，结果是3.8，那么正确的结果是多少．
<gadget id="calculator">3.8 / 4.2</gadget>
<output>0.904762</output>

<gadget id="calculator">42 * 0.904762</gadget>
<output>38.000004</output>

<result>38.000004</result>