It takes 12 days for A to process a batch of parts alone, and B makes 24 pieces per day on average. Now A and B cooperate. When the task is completed, A has made (5/9) of this batch of parts. How many parts are there in total? ?
加工一批零件，甲单独完成要12天，乙平均每天做24个，现由甲、乙合作，完成任务时，甲一共做了这批零件的(5/9)，这批零件共有多少个？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 - (5/9)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(5/9) / (4/9)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/12) * (4/5)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/12) + (1/15)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 / (3/20) / (4/9)</gadget>
<output>15</output>

<gadget id="calculator">24 * 15</gadget>
<output>360</output>

<result>360</result>