The school had to buy 15 footballs and 11 basketballs, and paid a total of 357 yuan. Each football is 15 yuan, how much is each basketball?
学校要买了15个足球和11个篮球，共付了357元．足球每个15元，篮球每个多少元钱？
<gadget id="calculator">15 * 15</gadget>
<output>225</output>

<gadget id="calculator">357 - 225</gadget>
<output>132</output>

<gadget id="calculator">132 / 11</gadget>
<output>12</output>

<result>12</result>