Subtract (1/8) from 1 each time, how many times you subtract to get 0.
从1里面每次减去(1/8)，减去多少次得0．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / (1/8)</gadget>
<output>8</output>

<result>8</result>