The master and the apprentice jointly produce a batch of parts. The master produces 128 pieces per hour, accounting for 1/20 of the total number of parts. When the task is completed, the number of pieces produced by the apprentice accounts for 3/8 of the total number of parts. parts?
师徒二人共同生产一批零件，师傅每小时生产128个，占零件总数的(1/20)，完成任务时，徒弟生产的个数占零件总数的(3/8)，徒弟生产了多少个零件？
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">128 / (1/20)</gadget>
<output>2_560</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">2_560 * (3/8)</gadget>
<output>960</output>

<result>960</result>