Aunt Zhang wants to buy a house worth 800,000 yuan. According to regulations, she should pay a deed tax of 1.5% and a stamp duty of 0.05%. How much tax does Aunt Zhang have to pay to buy this house?
张阿姨想购买一套80万元的房子，按规定买房子应缴纳1.5%的契税和0.05%的印花税，张阿姨买这套房子一共要付多少元税款？
<gadget id="calculator">80 * 10_000</gadget>
<output>800_000</output>

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

<gadget id="calculator">0.05 / 100</gadget>
<output>0.0005</output>

<gadget id="calculator">0.015 + 0.0005</gadget>
<output>0.0155</output>

<gadget id="calculator">800_000 * 0.0155</gadget>
<output>12_400</output>

<result>12_400</result>