A certain type of air conditioner in a shopping mall increases the price by 10% in summer, and then reduces the price by 10% in autumn. The current price is 1980 yuan. How much is the original price of the air conditioner?
某商场某种空调在夏季时提价10%销售，秋季又降价10%，现价1980元，空调的原价是多少钱？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1_980 / (9/10) / (11/10)</gadget>
<output>2_000</output>

<result>2_000</result>