Master Zhang processes a batch of parts, 30 parts per day, and it takes 20 days to complete the task. After technical improvement. The task is actually completed 5 days ahead of schedule, and how many parts are actually processed every day?
张师傅加工一批零件，每天加工30个，需要20天才能完成任务．经过技术改进后．实际提前5天完成任务，实际每天加工多少个零件？
<gadget id="calculator">20 - 5</gadget>
<output>15</output>

<gadget id="calculator">20 / 15</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">30 * (4/3)</gadget>
<output>40</output>

<result>40</result>