4 packs of the same biscuits weigh 1 kg, 2 bags of the same salt also weigh 1 kg, and 1 pack of salt weighs the same as how many packs of biscuits.
4包同样的饼干重1千克，2袋同样的盐也是重1千克，1包盐与多少包饼干同样重．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<result>2</result>