Uncle Wang sold 150 kilograms of cucumbers at the farmer's market, 80% of which were sold at 2.80 yuan per kilogram, and the rest were sold at a reduced price of 25%. How much are these cucumbers sold in total?
王大爷把150千克黄瓜拿到农贸市场去卖，其中80%按每千克2.80元售出，剩下的降价25%出售，这些黄瓜共卖多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">150 * (4/5)</gadget>
<output>120</output>

<gadget id="calculator">2.8 * 120</gadget>
<output>336</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2.8 * (3/4)</gadget>
<output>2.1</output>

<gadget id="calculator">150 - 120</gadget>
<output>30</output>

<gadget id="calculator">2.1 * 30</gadget>
<output>63</output>

<gadget id="calculator">336 + 63</gadget>
<output>399</output>

<result>399</result>