A shopping mall sells two mobile phones at the same price of 1,800 yuan each, and one of them makes a profit of 20% while the other loses 20%. Is the result a profit or a loss?
某商场以每台1800元的相同价格出售两部手机，其中一部盈利20%，另一部亏损20%，则结果是盈利，还是亏损？
<gadget id="calculator">20 / 100</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_800 / (4/5)</gadget>
<output>2_250</output>

<gadget id="calculator">2_250 - 1_800</gadget>
<output>450</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1_800 / (6/5)</gadget>
<output>1_500</output>

<gadget id="calculator">1_800 - 1_500</gadget>
<output>300</output>

<gadget id="calculator">450 - 300</gadget>
<output>150</output>

<result>150</result>