Kohen has a business selling apples. Once a week, he orders 10 boxes of apples to add to his stock. If each box has 300 apples and he sells 3/4 of his stock in a certain week, what total number of apples is not sold?
In a week, he orders 10 * 300 = 
<gadget id="calculator">10*300</gadget>
<output>3_000</output>
3000 apples.
When 3/4 of the stock is sold, the total amount of apples sold becomes 3/4 * 3000 = 
<gadget id="calculator">3/4*3000</gadget>
<output>2_250</output>
2250 apples.
The amount of apples remaining is 3000 - 2250 = 
<gadget id="calculator">3000-2250</gadget>
<output>750</output>
750 apples.

<result>750</result>