Teacher Li wants to buy sporting goods for the school with 1,000 yuan. He first bought 5 footballs for 227.5 yuan, and plans to use the remaining money to buy some basketballs. Each basketball is 30.8 yuan. How many more basketballs can Teacher Li buy?
李老师要用1000元为学校买体育用品，他先花了227.5元买了5个足球，并预备用剩下的钱买一些篮球，每个篮球30.8元，李老师还可以买多少个篮球？
<gadget id="calculator">772.5 / 30.9</gadget>
<output>25</output>

<result>25</result>