Mr. Zeng bought a computer with a price of 6,000 yuan from the electrical appliance store, and agreed to pay 2,000 yuan as the down payment. How much did Mr. Zeng spend on this computer?
曾老师从电器商场买了一台价格是6000元的电脑，约定首期付款2000元，未付的钱平均分两个月付完，并每月付清余额的3%利息．曾老师买这台电脑共用了多少元？
<gadget id="calculator">6_000 - 2_000</gadget>
<output>4_000</output>

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">4_000 * (3/100)</gadget>
<output>120</output>

<gadget id="calculator">2_000 * (3/100)</gadget>
<output>60</output>

<gadget id="calculator">6_000 + 120 + 60</gadget>
<output>6_180</output>

<result>6_180</result>