According to the tax law, when buying a house, you should pay a deed tax of 1.5% of the actual price. Xiaoqiang’s family bought a house of 280,000 yuan, and they paid a one-time payment and enjoyed a 5% discount. How much deed tax should Xiaoqiang’s family pay when buying a house?
按税法规定，买房时应按实际房价缴纳1.5%的契税，小强家买了一套28万元的住房，一次性付款，享受九五折优惠，小强家买房时应缴纳多少万元契税？
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1.5 / 100</gadget>
<output>0.015</output>

<gadget id="calculator">28 * (19/20) * 0.015</gadget>
<output>0.399</output>

<result>0.399</result>