Li Ning store sold 2 pieces of clothes yesterday, each at 910 yuan, one of which was 30% higher than the purchase price, while the other was 30% lower than the purchase price. Could you please help the specialty store calculate whether it is a loss or a profit in general? How much did you lose or earn?
李宁专卖店昨天售出2件衣服，每件都按910元售出，其中一件比进价提高了30%，而另一件比进价降低了30%．请你帮专卖店算算总的来看是亏了还是赚了？亏了或赚了多少元？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">910 / (13/10)</gadget>
<output>700</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">910 / (7/10)</gadget>
<output>1_300</output>

<gadget id="calculator">700 + 1_300</gadget>
<output>2_000</output>

<gadget id="calculator">910 * 2</gadget>
<output>1_820</output>

<gadget id="calculator">2_000 - 1_820</gadget>
<output>180</output>

<result>180</result>