A number expanded to 100 times its original size and then reduced to one tenth of its original size is 3.14. What was the original number?
一个数扩大到它原来的100倍后又缩小到它原来的十分之一后是3.14．这个数原来是多少？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">3.14 * (1/10)</gadget>
<output>0.314</output>

<result>0.314</result>