batch of parts was originally planned to be distributed to the master and apprentice according to the ratio of 5:3. As a result, the master processed 1200 pieces, exceeding 20% of the assigned task, while the apprentice only completed 60% of his original task due to illness. The apprentice actually processed how many.
一批零件，原计划按5：3分配给师徒两人加工，结果师傅加工1200个，超过分配任务的20%，而徒弟因病只完成了他原定任务的60%，徒弟实际加工了多少个．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">20 / 100</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">(5/8) * (6/5)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1_200 / (3/4)</gadget>
<output>1_600</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_600 * (3/8) * (3/5)</gadget>
<output>360</output>

<result>360</result>