There is often a sentence in TV advertisements: "Increasing the quantity does not increase the price". The current weight of a pack of potato chips after increasing by 20% is 240 grams. How many grams is this bag of potato chips?
电视广告语中常常有一句："加量不加价"．一包薯片增量20%后现在的重量是240克．这包薯片原来是多少克？
<result>240</result>