Divide "1" into 1000 parts on average, and one of them is ((())/(())), expressed in decimals.
把"1"平均分成1000份，其中的1份是((())/(()))，用小数表示是多少．
<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>

<result>1/1_000 = around 0.001</result>