3.4 Add 25%, what is the reciprocal of the sum.
3.4加上25%，和的倒数是多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3.4 + (1/4)</gadget>
<output>3.65</output>

<gadget id="calculator">1 / 3.65</gadget>
<output>0.273973</output>

<result>0.273973</result>