When water freezes, the volume of ice increases (1/10) compared to water, and when the ice melts into water, the volume of water decreases by how much compared to the volume of ice.
水结成冰后，冰的体积比水增加(1/10)，当冰融化成水时，水的体积比冰的体积减少多少．
<gadget id="calculator">1 / 10</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>11/10 = around 1.1</output>

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

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

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