The owner of the store at the gate of the school spent 3,000 yuan to wholesale 225 umbrellas. If each umbrella is sold for 15 yuan, how much money can he make if he sells out these umbrellas?
校门口商店的老板花3000元批发了225把雨伞，如果每把雨伞卖15元，售完这些雨伞，可以赚到多少钱？
<gadget id="calculator">225 * 15</gadget>
<output>3_375</output>

<gadget id="calculator">3_375 - 3_000</gadget>
<output>375</output>

<result>375</result>