A store sells two kinds of goods at the same time in one transaction, and the price of each kind of goods is 1200 yuan. If one kind of goods earns (1/5) and the other loses (1/5) according to the cost, then How much does the store pay for this transaction?
某商店在一次买卖中，同时卖出两种货物，每种货物的售价均为1200元，若按成本计算一种货物赚(1/5)，另一种亏(1/5)，则这次交易商店赔多少元
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_200 / (4/5)</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 - 1_200</gadget>
<output>300</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1_200 / (6/5)</gadget>
<output>1_000</output>

<gadget id="calculator">1_200 - 1_000</gadget>
<output>200</output>

<gadget id="calculator">300 - 200</gadget>
<output>100</output>

<result>100</result>