The master and apprentice work together to process a batch of parts. The master processed 1500 pieces, which happened to be (5/7) of this batch of parts. At this time, the number of apprentices processed accounted for (1/6) of this batch of parts. The apprentice processed How many parts?
师徒二人共同加工一批零件，师傅加工了1500个，恰好是这批零件的(5/7)，而此时徒弟加工的个数占这批零件的(1/6)，徒弟加工了多少零件？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1_500 / (5/7)</gadget>
<output>2_100</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2_100 * (1/6)</gadget>
<output>350</output>

<result>350</result>