A factory planned to produce 2,800 machines of a certain type last year, but actually produced more (1/4). How many units were actually produced.
某工厂去年计划生产某种机器2800台，实际多生产了(1/4)．实际生产了多少台．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">2_800 * (5/4)</gadget>
<output>3_500</output>

<result>3_500</result>