Calculate (3/4) of (1/5) hectare? It can be calculated like this: Divide (1/5) hectare into 4 parts on average, each part is ((1)/(20)) of 1 hectare, how many hectares are these 3 parts.
计算(1/5)公顷的(3/4)是多少？可以这样推算：把(1/5)公顷平均分成4份，每份是1公顷的((1)/(20))，这样的3份是多少公顷．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/5) * (1/4)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 / (1/20) / 1</gadget>
<output>20</output>

<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<result>3/20 = around 0.15</result>