The shopping mall sells a batch of clothes, each priced at 60 yuan. When selling (5/8), the shopping mall will make a profit of 200 yuan after recovering all the costs, and sell all the remaining clothes, making a profit of 1800 yuan. How much is the cost of this batch of clothes?
商场出售一批服装，每件售价60元．卖出(5/8)时，商场收回全部成本后还盈利200元，剩下的服装全部卖出，又盈利1800元．这批服装的成本是多少元？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1_800 / (3/8)</gadget>
<output>4_800</output>

<gadget id="calculator">4_800 * (5/8)</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 - 200</gadget>
<output>2_800</output>

<result>2_800</result>