The factory buys 8 boxes of parts and spends 648 yuan. There are 9 parts in each box. How much is each part?
工厂购进8箱零件用去648元，每箱零件9个，每个零件多少元？
<gadget id="calculator">648 / 8 / 9</gadget>
<output>9</output>

<result>9</result>