A bag of soy sauce is 250 milliliters, how many bags are needed to fill a bottle with a net content of 2 liters.
一袋酱油250毫，装满一个净含量2升的瓶子需要多少袋．
<gadget id="calculator">1_000 / 250</gadget>
<output>4</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>