A certain workshop plans to process 360 parts in two days. The task was completed on the first day (5/9), and the task was completed on the second day (7/12). How many parts were overfulfilled?
某车间计划两天加工零件360只，第一天完成了任务的(5/9)，第二天完成了任务的(7/12)，超额完成了多少只？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(7/12) - 1</gadget>
<output>-5/12 = around -0.416667</output>

<gadget id="calculator">(5/9) + (-5/12)</gadget>
<output>5/36 = around 0.138889</output>

<gadget id="calculator">360 * (5/36)</gadget>
<output>50</output>

<result>50</result>