A bag of salt weighs 500 grams, what is the weight of 2 bags of salt in kilograms?
一袋食盐重500克，2袋食盐重多少千克．
<gadget id="calculator">500 * 2</gadget>
<output>1_000</output>

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

<result>1</result>