Find the law (1/2), (3/4), (9/8), (27/16)... According to this law, what is the sixth number.
找规律(1/2)，(3/4)，(9/8)，(27/16)…按此规律第六个数是多少．
<gadget id="calculator">27 * 3</gadget>
<output>81</output>

<gadget id="calculator">81 * 3</gadget>
<output>243</output>

<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<gadget id="calculator">32 * 2</gadget>
<output>64</output>

<gadget id="calculator">243 / 64</gadget>
<output>243/64 = around 3.796875</output>

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