The water content of an apple is 95%, how much water is in 50 kg of an apple?
苹果的含水率是95%，50千克苹果含水多少千克．
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">50 * (19/20)</gadget>
<output>95/2 = around 47.5</output>

<result>95/2 = around 47.5</result>