(3/4) of (1/3) is (5/9) of a number, what is this number?
(1/3)的(3/4)是一个数的(5/9)，这个数是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(3/4) / (5/9)</gadget>
<output>27/20 = around 1.35</output>

<gadget id="calculator">(1/3) * (27/20)</gadget>
<output>9/20 = around 0.45</output>

<result>9/20 = around 0.45</result>