and B planned to produce 6,000 parts in one month, but A actually exceeded his plan by 30%, and B produced 480 more parts than he planned. In this way, the two people produced 1200 more than planned. How many parts did B actually produce this month?
甲、乙两人计划一个月共生产零件6000个，实际甲超额完成自己计划的30%，乙生产的比自己计划生产数多480个．这样生产下来，两个人一共比计划多生产1200个．乙实际这个月生产了多少个零件？
<gadget id="calculator">1_200 - 480</gadget>
<output>720</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">720 / (3/10)</gadget>
<output>2_400</output>

<gadget id="calculator">6_000 - 2_400</gadget>
<output>3_600</output>

<gadget id="calculator">3_600 + 480</gadget>
<output>4_080</output>

<result>4_080</result>