Uncle Zhang received an average monthly bonus of 1,500 yuan in the first quarter. According to the regulations, the part after subtracting 800 yuan from the monthly bonus was subject to personal income tax at a rate of 20%. How much did Uncle Zhang pay in total in the first quarter?
张叔叔一季度平均每月获得奖金1500元，按规定在月奖中减去800元后的部分按20%的税率缴纳个人所得税，张叔叔一季度一共交税多少元．
<gadget id="calculator">1_500 - 800</gadget>
<output>700</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">700 * (1/5) * 3</gadget>
<output>420</output>

<result>420</result>