What is the number obtained by first enlarging 48.5 by 1000 times and then reducing it by 10 times?
把48.5先扩大1000倍，再缩小10倍得到的数是多少．
<gadget id="calculator">1_000 / 10</gadget>
<output>100</output>

<gadget id="calculator">48.5 * 100</gadget>
<output>4_850</output>

<result>4_850</result>