Dad spent 76 yuan to wholesale 4 boxes of grapes, and sold 3 boxes for 75 yuan. How much can you earn per box of grapes?
爸爸花76元批发4箱葡萄，3箱卖了75元．每箱葡萄能赚多少元？
<gadget id="calculator">75 / 3</gadget>
<output>25</output>

<gadget id="calculator">25 * 4</gadget>
<output>100</output>

<gadget id="calculator">100 - 76</gadget>
<output>24</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<result>6</result>