Xiao Ming goes to the fruit shop to buy apples. He spends half of the money he brings in apples worth 3 yuan per catty, and uses the rest of the money to buy apples worth 2 yuan per catty. The average price of apples bought by Xiao Ming is how much.
小明到水果店买苹果，买每斤3元的苹果用去所带钱数的一半，而其余的钱都用来买每斤2元的苹果，则小明所买的苹果的平均价格是每斤多少元．
<result>2.4</result>