The store shipped 2 boxes of soccer balls, each with 6 balls, and the total price of these soccer balls was 648 yuan. How much is an average soccer ball?
商店运来2箱足球，每箱6个，这些足球的总价为648元．平均每个足球多少钱？
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">648 / 12</gadget>
<output>54</output>

<result>54</result>