The original price of a computer is 6,000 yuan, first discounted by 10%, and then discounted by 20%. How much does this computer cost now?
一台电脑原价6000元，先打九折促销，然后又打了八折．这台电脑现在售价多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">6_000 * (9/10) * (4/5)</gadget>
<output>4_320</output>

<result>4_320</result>