Processing the same kind of parts, at the same time, the apprentice can process 3 pieces, and the master can process 5 pieces. If the master and apprentice process 200 such parts at the same time, how many parts can the master process when completing the task?
加工同一种零件，同样的时间，徒弟可以加工3个，师傅可以加工5个．如果师徒两人同时加工200个这样的零件，完成任务时师傅能加工多少个？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">200 * (5/8)</gadget>
<output>125</output>

<result>125</result>