Uncle Li wholesales 300 kilograms of apples at a price of 1.8 yuan per kilogram, and after selling 220 kilograms at 3 yuan per kilogram, the remaining 2.5 yuan per kilogram. How much money can Uncle Li earn after selling out?
李叔叔按每千克1.8元的价格批发了300千克苹果，按每千克3元卖了220千克之后，剩下的每千克2.5元．卖完后，李叔叔能赚多少钱？
<gadget id="calculator">3 * 220</gadget>
<output>660</output>

<gadget id="calculator">300 - 220</gadget>
<output>80</output>

<gadget id="calculator">2.5 * 80</gadget>
<output>200</output>

<gadget id="calculator">660 + 200</gadget>
<output>860</output>

<gadget id="calculator">300 * 1.8</gadget>
<output>540</output>

<gadget id="calculator">860 - 540</gadget>
<output>320</output>

<result>320</result>