(3/5) of a piece of land is 12 hectares, how many hectares is (5/8) of this piece of land.
一块地的(3/5)是12公顷，这块地的(5/8)是多少公顷｡
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">12 / (3/5)</gadget>
<output>20</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">20 * (5/8)</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>