Mom brought 300 yuan to the supermarket to buy 4 bags of the same rice, and got back 28 yuan. How much is each bag of rice on average?
妈妈带300元到超市买了4袋同样的大米，找回28元，平均每袋大米多少钱？
<gadget id="calculator">300 - 28</gadget>
<output>272</output>

<gadget id="calculator">272 / 4</gadget>
<output>68</output>

<result>68</result>