To manufacture a batch of parts, 1/3 of it can be completed in 36 days as planned, and after 12 days of actual work, the work efficiency has increased by 20%, so how many days did it actually take to complete this batch of parts.
制造一批零件，按计划36天可以完成它的(1/3)，实际工作12天后，工作效率提高了20%，那么实际完成这批零件共用了多少天．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 36</gadget>
<output>1/108 = around 0.009259</output>

<gadget id="calculator">(1/108) * 12</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(1/108) * (6/5)</gadget>
<output>1/90 = around 0.011111</output>

<gadget id="calculator">(8/9) / (1/90)</gadget>
<output>80</output>

<gadget id="calculator">80 + 12</gadget>
<output>92</output>

<result>92</result>