The difference between X minus (3/4) is (1/2), find X.
X减去(3/4)的差是(1/2)，求X．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/2) + (3/4)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>