A factory produces a batch of parts, and has produced (5/6) of the total number, and the task of reproducing 150 is just completed. How many parts are there in this batch?
某工厂生产一批零件，已生产了总数的(5/6)，再生产150个正好完成任务，这批零件一共有多少个？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">150 / (1/6)</gadget>
<output>900</output>

<result>900</result>