In 100 grams of sugar water, the sugar content is 5%, how many grams of water are there?
在100克糖水中，含糖率是5%，水有多少克．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">100 * (19/20)</gadget>
<output>95</output>

<result>95</result>