A 2-cent coin weighs about 1 gram, and 1000 2-cent coins weigh about how many kilograms.
1个2分钱币大约重1克，1000个2分钱币约重多少千克．
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 1_000</gadget>
<output>1</output>

<result>1</result>