Cut a rope 7 times and cut it into small pieces of the same length, 2 pieces of which are the number of this rope
把一根绳剪7次，剪成同样长的小段，其中的2段就是这根绳子的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">2 * (1/8)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>