A factory planned to produce 4,500 parts last year, but actually produced more (2/5) than planned. How many parts were actually produced?
某工厂去年计划生产零件4500个，实际比计划多生产了(2/5)，实际生产零件多少个？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">4_500 * (7/5)</gadget>
<output>6_300</output>

<result>6_300</result>