The master and apprentice work together to process a batch of parts. When the task is completed, the ratio of the number of parts processed by the master and apprentice is 7:5. It is known that the master alone needs 24 hours to complete, while the apprentice can process 35 parts per hour. How many parts workers are there?
师徒两人共同加工一批零件，完成任务时，师徒加工零件个数的比为7：5．已知师傅单独完成需要24小时，而徒弟每小时能加工零件35个．这批零件工多少个？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">24 * (7/5) * 35</gadget>
<output>1_176</output>

<result>1_176</result>