First expand a decimal to 100 times it, then shrink it to (1/1000), and then shrink it to (1/10) and it is 0.038. What is the original decimal?
将一个小数先扩大到它的100倍，再缩小到(1/1000)，又缩小到(1/10)后是0.038，这个小数原来是多少？
<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>

<gadget id="calculator">0.038 * 10 * 10</gadget>
<output>3.8</output>

<result>3.8</result>