Find the law and fill in the numbers: (1/3), (1/2), (2/3), (3/4), (8/9), how many.
找规律填数：(1/3)，(1/2)，(2/3)，(3/4)，(8/9)，多少．
<gadget id="calculator">3 * 9</gadget>
<output>27</output>

<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">27 / 32</gadget>
<output>27/32 = around 0.84375</output>

<result>27/32 = around 0.84375</result>