The store shipped 3 boxes of basketballs, 12 in each box. These basketballs were sold for a total of 900 yuan. How much is each basketball on average?
商店运来3箱篮球，每箱12个，这些篮球一共卖出900元，平均每个篮球多少元？
<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">900 / 36</gadget>
<output>25</output>

<result>25</result>