A number reduced by (1/4) is 75, what is this number
一个数减少了它的(1/4)后是75，这个数是多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">75 / (3/4)</gadget>
<output>100</output>

<result>100</result>