Observe the law of the following numbers: (1/2), (3/4), (9/8), (27/16), ..., then what is the sixth number.
观察以下各数的规律：(1/2)，(3/4)，(9/8)，(27/16)，…，则第6个数是多少．
<gadget id="calculator">27 / 16</gadget>
<output>27/16 = around 1.6875</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(27/16) * (3/2) * (3/2)</gadget>
<output>243/64 = around 3.796875</output>

<result>243/64 = around 3.796875</result>