Learning to buy 9 basketballs and 8 small footballs, a total of 300 yuan is paid, and the price of each small football is 15 yuan. How much is the price of each basketball?
学习要买9个篮球和8个小足球，共付出300元，每个小足球价格15元，每个篮球价格多少元？
<gadget id="calculator">8 * 15</gadget>
<output>120</output>

<gadget id="calculator">300 - 120</gadget>
<output>180</output>

<gadget id="calculator">180 / 9</gadget>
<output>20</output>

<result>20</result>