(5/8) is 1.5 less than the reciprocal of how much.
(5/8)比多少的倒数少1.5．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/8) + 1.5</gadget>
<output>2.125</output>

<gadget id="calculator">1 / 2.125</gadget>
<output>0.470588</output>

<result>0.470588</result>