The purchase price of a batch of clothes is 55 yuan, and the selling price is 85 yuan. There are 10 pieces left, and the profit is 2150 yuan. How many pieces of clothes are there in total?
一批衣服进价为55元，卖85元，还剩10件，盈利2150元，问这批衣服一共有多少件？
<gadget id="calculator">85 * 10</gadget>
<output>850</output>

<gadget id="calculator">850 + 2_150</gadget>
<output>3_000</output>

<gadget id="calculator">85 - 55</gadget>
<output>30</output>

<gadget id="calculator">3_000 / 30</gadget>
<output>100</output>

<result>100</result>