What is the quotient of (4/5) divided by the sum of (4/5) and (1/2)?
(4/5)除(4/5)与(1/2)的和，商是多少？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) + (1/2)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">(13/10) / (4/5)</gadget>
<output>13/8 = around 1.625</output>

<result>13/8 = around 1.625</result>