Eight duck eggs weigh (4/5) kilograms, how much does one duck egg weigh in kilograms?
8个鸭蛋重(4/5)千克，一个鸭蛋重多少千克．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) / 8</gadget>
<output>1/10 = around 0.1</output>

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