After expanding a number to 1000 times, then shrinking it to (1/100) is 3.5, what is the original number?
把一个数扩大到它的1000倍后，又缩小到它的(1/100)是3.5，原数是多少．
<gadget id="calculator">100 / 1_000</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">3.5 * (1/10)</gadget>
<output>0.35</output>

<result>0.35</result>