Mom brings 900 yuan to buy coats, buys 12 pieces, and has 72 yuan left. How much is each coat?
妈妈带900元去买上衣，买了12件，还剩72元，每件上衣多少钱？
<gadget id="calculator">900 - 72</gadget>
<output>828</output>

<gadget id="calculator">828 / 12</gadget>
<output>69</output>

<result>69</result>