What is the result of subtracting the difference between the sum of (43/59) and (1/2).
(43/59)与(1/2)的和减去它们的差，结果是多少．
<gadget id="calculator">43 / 59</gadget>
<output>43/59 = around 0.728814</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(43/59) + (1/2)</gadget>
<output>145/118 = around 1.228814</output>

<gadget id="calculator">(43/59) - (1/2)</gadget>
<output>27/118 = around 0.228814</output>

<gadget id="calculator">(145/118) - (27/118)</gadget>
<output>1</output>

<result>1</result>