A and B process a batch of parts at the same time. When the task is completed, A makes (5/8) of all the parts. It is known that B processes 24 parts per hour. It takes 12 hours for A to process this batch of parts alone. This batch How many parts are there?
甲、乙两人同时加工一批零件，完成任务时，甲做了全部零件的(5/8)，已知乙每小时加工24个零件，甲单独加工完成这批零件要12小时，这批零件有多少个？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(5/8) / (1/12)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(15/2) / (3/8)</gadget>
<output>20</output>

<gadget id="calculator">24 * 20</gadget>
<output>480</output>

<result>480</result>