Two masters and apprentices process the same parts, the apprentice processes 80 fewer parts than the master, the number of apprentices processing is the master's (3/5), how many parts does the master process?
师徒二人加工同样的零件，徒弟比师父少加工80个，徒弟加工的个数是师傅的(3/5)，师傅加工零件多少个？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">80 / (2/5)</gadget>
<output>200</output>

<result>200</result>