After Aunt Li bought several boxes of apples with 750 yuan, there was 30 yuan left, and each box of apples was 80 yuan. How many boxes of apples did Aunt Li buy in total?
李阿姨带了750元钱买了几箱苹果后，还剩30元，每箱苹果80元，李阿姨共买了几箱苹果？
<gadget id="calculator">750 - 30</gadget>
<output>720</output>

<gadget id="calculator">720 / 80</gadget>
<output>9</output>

<result>9</result>