There is 450 grams of bottled lotus root powder. It takes 25 grams of lotus root powder and 18 grams of brown sugar to prepare a cup. How many grams of brown sugar is needed to finish this bottle of lotus root powder.
一种瓶装藕粉450克，冲调一杯需要25克藕粉和18克红糖，冲完这瓶藕粉需要多少克红糖．
<gadget id="calculator">450 / 25</gadget>
<output>18</output>

<gadget id="calculator">18 * 18</gadget>
<output>324</output>

<result>324</result>