President Liu took 1300 yuan to buy basketballs, and after buying 16, there was 20 yuan left. How much is each basketball on average?
刘校长带1300元去买篮球，买了16个后还剩20元，平均每个篮球多少元？
<gadget id="calculator">1_300 - 20</gadget>
<output>1_280</output>

<gadget id="calculator">1_280 / 16</gadget>
<output>80</output>

<result>80</result>