Master Zhang processed a batch of parts. He originally planned to process 50 parts per day. In order to finish it 10 days ahead of schedule, he improved his work efficiency and processed 75 parts per day. How many parts does Master Zhang have to make?
张师傅加工一批零件，原计划每天加工50个，为了提前10天完成，他把工作效率提高，每天加工75个，张师傅要做多少个零件？
<gadget id="calculator">75 * 10</gadget>
<output>750</output>

<gadget id="calculator">75 - 50</gadget>
<output>25</output>

<gadget id="calculator">750 / 25</gadget>
<output>30</output>

<gadget id="calculator">50 * 30</gadget>
<output>1_500</output>

<result>1_500</result>