Find the law and fill in the numbers: (1/2), (1/8), (1/18), (1/32), how much, (1/72).
找规律填数：(1/2)，(1/8)，(1/18)，(1/32)，多少，(1/72)．
<gadget id="calculator">32 + 14 + 4</gadget>
<output>50</output>

<gadget id="calculator">1 / 50</gadget>
<output>1/50 = around 0.02</output>

<result>1/50 = around 0.02</result>