The sum of the minuend, the subtrahend and the difference is (1/4), then what is the minuend.
被减数、减数、差相加的和是(1/4)，那么被减数是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 2</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>