Two items are sold at a price of 200 yuan, one of which is profitable (2/5) and the other is at a loss (2/5). In the end, is the merchant making money or losing money? What is the amount earned or lost?
两件物品均以200元的价格出售，其中一件盈利(2/5)，另一件亏损(2/5)，问最终商家是赚了钱还是亏了？赚或亏的金额是多少？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">200 / (3/5)</gadget>
<output>1_000/3 = around 333.333333</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">200 / (7/5)</gadget>
<output>1_000/7 = around 142.857143</output>

<gadget id="calculator">200 - (1_000/7)</gadget>
<output>400/7 = around 57.142857</output>

<gadget id="calculator">(1_000/3) - 200 - (400/7)</gadget>
<output>1_600/21 = around 76.190476</output>

<result>1_600/21 = around 76.190476</result>