factory plans to produce a batch of parts, and completes 60% of all tasks in the first quarter, and completes the same amount in the second quarter as in the first quarter, resulting in an overproduction of 60 parts. How many parts does the factory actually produce?
某工厂计划生产一批零件，第一季度完成全部任务的60%，第二季度和第一季度完成的同样多，结果超产60个，这个工厂实际生产零件多少个？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) - 1</gadget>
<output>-2/5 = around -0.4</output>

<gadget id="calculator">(3/5) + (-2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 / (1/5)</gadget>
<output>300</output>

<result>300</result>