When ice melts into water, its volume decreases by (1/11), and when water freezes into ice, its volume increases by ((())/(())).
冰融化成水后体积减少原来的(1/11)，则水结成冰体积会增加原来的((())/(()))．
<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

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

<gadget id="calculator">(1/11) / (10/11)</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>