An electrical appliance store sold 2,400 color TV sets last year, and this year's sales volume has increased by (1/4) compared to last year. How many color TV sets have been sold this year?
某电器商场去年销售了2400台彩色电视机，今年的销售量比去年增加了(1/4)，今年销售了多少台彩色电视机？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2_400 * (1/4)</gadget>
<output>600</output>

<gadget id="calculator">600 + 2_400</gadget>
<output>3_000</output>

<result>3_000</result>