A workshop divides the task of processing a batch of parts between A and B according to the ratio of 4:3. When completing the task, A actually processed 4800 parts, exceeding (1/5) of the original assigned task. How many parts are there in total?
某车间把加工一批零件的任务按4：3分给甲乙两人．完成任务时，甲实际加工了4800个零件，超过原分配任务的(1/5)，这批零件一共有多少个？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">4_800 / (6/5)</gadget>
<output>4_000</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">4_000 / (4/7)</gadget>
<output>7_000</output>

<result>7_000</result>