There are 80 kilograms of apples, which are from bananas (5/3), and the bananas are from sugar (8/3), how many kilograms of sugar did you buy?
苹果有80千克，是香蕉的(5/3)，香蕉是糖的(8/3)，买来糖多少千克？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">80 / (5/3) / (8/3)</gadget>
<output>18</output>

<result>18</result>