The master and the apprentice jointly complete the task of processing a batch of parts. After 4 hours, the master processed (1/4) of this batch of parts, and the apprentice processed (1/6) less than 8 parts of this batch, and they processed 6 more Hours, just finished the task, how many parts are there in this batch?
师傅和徒弟共同完成加工一批零件的任务，4小时后，师傅加工了这批零件的(1/4)，徒弟加工了这批零件的(1/6)少8个，他们又加工了6小时，正好完成任务，这批零件共有多少个？
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * (1/4)</gadget>
<output>1/16 = around 0.0625</output>

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

<gadget id="calculator">(1/6) * (1/4)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/24) - (1/10)</gadget>
<output>-7/120 = around -0.058333</output>

<gadget id="calculator">(1/16) + (-7/120)</gadget>
<output>1/240 = around 0.004167</output>

<gadget id="calculator">2 / (1/240)</gadget>
<output>480</output>

<result>480</result>