The garment factory wants to produce a batch of garments, and plans to produce 45 sets per day, and the task will be completed in 20 days. In fact, the task was completed 5 days ahead of schedule, how many more garments are actually processed every day?
服装厂要生产一批服装，计划每天生产45套，20天完成任务．实际提前5天就完成了任务，实际每天多加工多少服装？
<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">45 * (4/3)</gadget>
<output>60</output>

<gadget id="calculator">60 - 45</gadget>
<output>15</output>

<result>15</result>