Put 25 grams of medicinal powder in 100 grams of water to make a potion, how much is the weight of the medicinal powder in the water?
在100克水中放入25克药粉配制成药水，药粉重量占水的多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/4) * 1</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>