Let a*b represent ((a)/(b))+((b)/(a))+(1/2), calculate: (1992*996)*(996*498)=how much.
设a*b表示((a)/(b))+((b)/(a))+(1/2)，计算：(1992*996)*(996*498)=多少．
<gadget id="calculator">1_992 / 996</gadget>
<output>2</output>

<gadget id="calculator">996 / 1_992</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">2 + (1/2) + (1/2)</gadget>
<output>3</output>

<gadget id="calculator">3 / 3</gadget>
<output>1</output>

<gadget id="calculator">1 + 1 + (1/2)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>