What is the sum of (3/4) and (2/3) minus their difference?
(3/4)与(2/3)的和减去它们的差，得多少？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/4) + (2/3)</gadget>
<output>17/12 = around 1.416667</output>

<gadget id="calculator">(3/4) - (2/3)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(17/12) - (1/12)</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>