A piece of paper weighs about 2 grams. According to this calculation, 1000 pieces of this kind of paper weigh about... how many kilograms
一种纸，1张大约重2克，照这样推算，1000张这样的纸约重…多少千克
<gadget id="calculator">2 / 1_000</gadget>
<output>1/500 = around 0.002</output>

<gadget id="calculator">1_000 * (1/500)</gadget>
<output>2</output>

<result>2</result>