The TV factory produces a batch of TV sets. It originally planned to produce 50 sets per day, and the task can be completed in 125 days. The actual production is 125 sets per day. How many days can the task be completed in advance?
电视机厂生产一批电视机，原计划每天生产50台，125天可以完成任务，实际每天生产125台，可以提前几天完成任务？
<gadget id="calculator">125 / 125</gadget>
<output>1</output>

<gadget id="calculator">50 * 1</gadget>
<output>50</output>

<gadget id="calculator">125 - 50</gadget>
<output>75</output>

<result>75</result>