Mom took 100 yuan to the supermarket. I bought 4 bottles of cooking wine at 7 yuan each, and then used the remaining money to buy milk powder at 12 yuan per bag. How many bags can I buy?
妈妈带100元去超市．买了4瓶料酒，每瓶7元，然后用剩下的钱买奶粉，每袋12元，可以买多少袋？
<gadget id="calculator">4 * 7</gadget>
<output>28</output>

<gadget id="calculator">100 - 28</gadget>
<output>72</output>

<gadget id="calculator">72 / 12</gadget>
<output>6</output>

<result>6</result>