Master Wang made a batch of parts, and he has already completed 1/3 of the task, and after making another 24 parts, he just completed half of the task. How many parts are there in this batch?
王师傅做一批零件，已经完成了任务的(1/3)，又做了24个后刚好完成了任务的一半，这批零件一共有多少个？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">24 / (1/6)</gadget>
<output>144</output>

<result>144</result>