The original price of a computer is 12,000 yuan, the price is raised first (1/10), and then the price is reduced (1/10), how much is the price of this computer now?
一台电脑原售价12000元，先提价(1/10)，然后又降价(1/10)，现在这台电脑售价多少元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

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

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

<gadget id="calculator">12_000 * (11/10) * (9/10)</gadget>
<output>11_880</output>

<result>11_880</result>