Master Li assembles a TV, and the work efficiency is improved by 10% compared with the original one, so how much time is reduced compared to the original one.
李师傅组装一台电视机，工效比原来提高了10%，那么时间比原来减少多少．
<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1 / (11/10)</gadget>
<output>10/11 = around 0.909091</output>

<gadget id="calculator">1 - (10/11)</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">(1/11) / 1</gadget>
<output>1/11 = around 0.090909</output>

<result>1/11 = around 0.090909</result>