The flowering period of peony is 36 days, the flowering period of rose is peony (5/6), the flowering period of rose is more than that of peony (1/2), how many days is the flowering period of peony?
芍药花的花期是36天，玫瑰花的花期是芍药花的(5/6)，玫瑰花的花期比牡丹花多(1/2)，牡丹花的花期是多少天？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(5/6) / (3/2)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">36 * (5/9)</gadget>
<output>20</output>

<result>20</result>