The length that is more than 8 meters (1/4) is the same as the length of 15 meters.
比8米多(1/4)的长度，与15米的多少同样长．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">8 * (5/4)</gadget>
<output>10</output>

<gadget id="calculator">10 / 15</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>