Master Wang processes a batch of parts and processes (1/4) of this batch of parts in 3 days. How many days can he process half of this batch of parts?
王师傅加工一批零件，3天加工这批零件的(1/4)，多少天能加工完这批零件的一半．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 3</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/2) / (1/12)</gadget>
<output>6</output>

<result>6</result>