There is a medicine and water that are prepared in a ratio of 1:250. How many grams of this medicine should be added to 700g of water?
有一种药水的药与水是按照1：250的比例配制而成的，在700g水中应加入这种药多少克？
<gadget id="calculator">1 * 700</gadget>
<output>700</output>

<gadget id="calculator">700 / 250</gadget>
<output>14/5 = around 2.8</output>

<result>14/5 = around 2.8</result>