To produce a batch of parts, A can produce 16 parts per hour, and B alone needs 12 hours to complete the production. Now A and B work together. When the task is completed, the number of parts produced by A is 80% of that of B. How many parts are there in the batch? indivual?
生产一批零件，甲每小时可以生产16个，乙单独生产需要12小时完成，现在由甲、乙两人合做，完成任务时，甲生产的零件数量是乙的80%，批零件有多少个？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">16 / (4/5)</gadget>
<output>20</output>

<gadget id="calculator">20 * 12</gadget>
<output>240</output>

<result>240</result>