The shopping mall sells a batch of sports shoes, each priced at 60 yuan. When it is sold (3/8), the mall will make a profit of 160 yuan after recovering all the costs, and the rest of the sneakers will be sold at a reduced price (1/10) for each pair, making a profit of 4860 yuan. How much do these sneakers cost?
商场出售一批运动鞋，每双售价60元．卖出(3/8)时，商场收回全部成本后，还赢利160元，剩下的运动鞋以每双降价(1/10)全部售出，又赢利4860元．这批运动鞋的成本是多少元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">60 * (9/10)</gadget>
<output>54</output>

<gadget id="calculator">4_860 / 54</gadget>
<output>90</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">90 / (5/8)</gadget>
<output>144</output>

<gadget id="calculator">144 - 90</gadget>
<output>54</output>

<gadget id="calculator">60 * 54</gadget>
<output>3_240</output>

<gadget id="calculator">3_240 - 160</gadget>
<output>3_080</output>

<result>3_080</result>