Master Wang used to process a part in 12 minutes. After the technological innovation, it only takes 6 minutes to complete the process. How much the work efficiency has improved compared to the original
王师傅原来加工一个零件用12分钟，技术革新后，只要6分钟就可以加工完，工作效率比原来提高了多少
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/6) - (1/12)</gadget>
<output>1/12 = around 0.083333</output>

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

<result>1</result>