One of Uncle Zhang's inventions won a scientific and technological achievement award of 15,000 yuan. According to regulations should pay 20% personal income tax. How much bonus did Uncle Zhang actually get?
张叔叔的一项创造发明，得到了15000元的科技成果奖．按规定应缴纳20%的个人所得税．张叔叔实际得到奖金多少元．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">15_000 * (1/5)</gadget>
<output>3_000</output>

<gadget id="calculator">15_000 - 3_000</gadget>
<output>12_000</output>

<result>12_000</result>