A bag of salt weighs 250 grams, how many bags of salt is 1 kg.
一包盐重250克，多少包盐1千克．
<gadget id="calculator">1_000 / 250</gadget>
<output>4</output>

<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<result>4</result>